Hartford, WI Weather Forecast & Current Conditions

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Hartford Weather Map
UTC Time: 9/19/2026, 02:36
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Hartford, WI Regional Weather

Expires:202609190300;;686135
ASUS43 KMKX 190220
RWRWI 

WISCONSIN REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
900 PM CDT FRI SEP 18 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.


WIZ051-052-058>065-066-070>072-190300-
SOUTHEAST WISCONSIN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MILWAUKEE      LGT RAIN  65  59  81 E15G24    30.16R TC  18           
WAUKESHA       CLOUDY    63  59  88 E10       30.18R TC  17           
MILWAUKEE/TIMM DRIZZLE   61  59  94 NE9       30.21R TC  16           
RACINE         CLOUDY    67  59  75 E14G22    30.18S TC  19           
KENOSHA        CLOUDY    67  60  78 E13       30.18R TC  19           
FOND DU LAC    LGT RAIN  56  55  97 E12       30.22S TC  13           
SHEBOYGAN      RAIN      56  56 100 NE10      30.22F FOG     TC  13   
WEST BEND      DRIZZLE   55  55 100 NE6G12    30.20S TC  13           
JUNEAU         LGT RAIN  56  56 100 NE10      30.19F TC  13           
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Hartford, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
40%
Monday
Mostly Cloudy
62°/ 48° 17°/
20%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Sunny
68°20°
0%

Night: Rain showers in the evening, then rain showers and chance of thunderstorms in the late evening and overnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Beaver Dam, WI

Tonight
Thunderstorms
60°16°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
68°/ 50° 20°/ 10°
40%
Monday
Mostly Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Partly Cloudy
70°21°
0%

Night: Rain showers in the evening, then rain showers and chance of thunderstorms in the late evening and overnight. Locally heavy rainfall possible after midnight. Near steady temperature around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Waukesha, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
68°20°
0%

Night: Light showers likely and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Watertown, WI

Tonight
Thunderstorms
60°16°
100%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Partly Cloudy
70°21°
0%

Night: Light showers likely and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Fond Du Lac, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
65°/ 55° 18°/ 13°
100%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
20%
Monday
Mostly Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Sunny
70°21°
0%

Night: Rain showers through the night. Slight chance of thunderstorms late in the evening, then chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Mequon, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
40%
Monday
Mostly Cloudy
62°/ 50° 17°/ 10°
20%
Tuesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Sunny
68°20°
0%

Night: Rain showers through the night. Chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Milwaukee, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
20%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Sunny
68°20°
0%

Night: Light rain showers likely through around midnight, then rain showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Plymouth, WI

Tonight
Thunderstorms
55°13°
100%
Saturday
Thunderstorms
65°/ 55° 18°/ 13°
100%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
20%
Monday
Mostly Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Sunny
70°21°
0%

Night: Rain showers through around midnight, then rain showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Portage, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Sunday
Rain Showers
68°/ 48° 20°/
30%
Monday
Rain Showers
62°/ 45° 17°/
30%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Partly Cloudy
70°21°
0%

Night: Rain showers and chance of thunderstorms. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Madison, WI

Tonight
Thunderstorms
62°17°
100%
Saturday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Partly Cloudy
70°21°
0%

Night: Rain showers likely through around midnight. Chance of thunderstorms through the night. Rain showers after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the lower 60s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Racine, WI

Tonight
Thunderstorms
60°16°
90%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°20°
0%

Night: Cloudy. Chance of light showers and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Whitewater, WI

Tonight
Thunderstorms
60°16°
100%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 48° 17°/
30%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
68°20°
0%

Night: Chance of light showers and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Berlin, WI

Tonight
Thunderstorms
58°14°
100%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Rain Showers
65°/ 48° 18°/
20%
Monday
Mostly Cloudy
62°/ 45° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 45° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Sunny
70°21°
0%

Night: Rain showers through the night. Slight chance of thunderstorms late in the evening, then chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Oshkosh, WI

Tonight
Thunderstorms
100%
Saturday
Thunderstorms
60°/ 50° 16°/ 10°
100%
Sun-Sun Night
Mostly Cloudy
60°16°
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wed Night
Clear
48°
0%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%

Night: Showers in the evening, then showers and a chance of thunderstorms after midnight. Nearly steady temperature in the upper 50s. East wind 10 to 15 mph. Chance of rain near 100 percent.

Manitowoc, WI

Tonight
Thunderstorms
100%
Saturday
Thunderstorms
60°/ 50° 16°/ 10°
100%
Sun-Sun Night
Mostly Cloudy
68°20°
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
60°16°
0%
Thursday
Cloudy
60°/ 50° 16°/ 10°
0%

Night: Showers in the evening, then showers and a slight chance of thunderstorms after midnight. Nearly steady temperature in the upper 50s. East wind 10 to 15 mph. Chance of rain near 100 percent.

Chilton, WI

Tonight
Thunderstorms
100%
Saturday
Thunderstorms
60°/ 50° 16°/ 10°
100%
Sun-Sun Night
Mostly Cloudy
60°16°
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
60°/ 50° 16°/ 10°
0%
Wed Night
Clear
50°10°
0%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%

Night: Showers in the evening, then showers and a chance of thunderstorms after midnight. Nearly steady temperature in the upper 50s. East wind 10 to 15 mph. Chance of rain near 100 percent.

Janesville, WI

Tonight
Thunderstorms
60°16°
90%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
68°20°
0%

Night: Cloudy. Chance of light showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Kenosha, WI

Tonight
Thunderstorms
60°16°
90%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
65°/ 50° 18°/ 10°
30%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°20°
0%

Night: Cloudy. Chance of light showers and slight chance of thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible early in the morning. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 90 percent.

Montello, WI

Tonight
Thunderstorms
55°13°
100%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
65°/ 45° 18°/
20%
Monday
Mostly Cloudy
62°/ 42° 17°/
20%
Tuesday
Partly Cloudy
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 45° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Sunny
70°21°
0%

Night: Rain showers and chance of thunderstorms. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Redgranite, WI

Tonight
Thunderstorms
100%
Saturday
Thunderstorms
60°/ 52° 16°/ 11°
90%
Sun-Sun Night
Mostly Cloudy
60°16°
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
62°/ 42° 17°/
0%
Wed Night
Clear
40°
0%
Thursday
Cloudy
68°/ 48° 20°/
0%

Night: Showers and a chance of thunderstorms. Nearly steady temperature in the mid 50s. East wind 10 to 15 mph. Chance of rain near 100 percent.

Names listed above may include county names.

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