Waterloo, PA Weather Forecast & Current Conditions

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Waterloo Weather Map
UTC Time: 9/18/2026, 16:00
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Waterloo, PA Regional Weather

Expires:202609181600;;659874
ASUS41 KCTP 181510
RWRCTP

REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1100 AM EDT FRI SEP 18 2026

Note: "fair" indicates few or no clouds below 12,000 feet with no 
significant weather and/or obstructions to visibility.

* = STATION THAT DOES NOT REPORT PRECIPITATION /E.G. RAIN...SNOW...ETC/
    THUNDER OR FOG.


PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-181600-
CENTRAL PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BRADFORD       CLOUDY    64  52  64 N5        30.26R                  
ST MARYS       NOT AVBL                                               
DUBOIS         CLOUDY    64  63  96 N7        30.23S                  
CLEARFIELD     CLOUDY    67  60  78 N6        30.22S                  
JOHNSTOWN      CLOUDY    69  65  86 NW8       30.23R                  
SOMERSET       CLOUDY    68  64  88 NW5       30.25R                  
ALTOONA        CLOUDY    73  66  78 N6        30.20R                  
STATE COLLEGE  PTSUNNY   70  66  88 NE12      30.20S                  
REEDSVILLE     CLOUDY    72  63  73 NE6       30.17S HAZE             
WELLSBORO      PTSUNNY   64  55  72 N8G14     30.22S                  
WILLIAMSPORT   MOSUNNY   73  58  59 NW9G18    30.16S                  
SELINSGROVE    CLOUDY    72  62  71 N8        30.17R                  
FT INDIANTOWN  PTSUNNY   76  62  60 E6        30.12S                  
CAPITAL CITY   CLOUDY    76  68  76 NW3       30.14R                  
HARRISBURG     PTSUNNY   77  66  68 NE7       30.13R                  
YORK           CLOUDY    75  70  84 N6        30.14R                  
$$


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

Waterloo, PA

Today
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Saturday
Sunny
72°/ 62° 22°/ 17°
80%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
100%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
60°/ 48° 16°/
70%
Wednesday
Rain Showers
60°/ 50° 16°/ 10°
60%
Thursday
Rain Showers
62°17°
60%

Day: Areas of fog this morning. Partly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Patchy fog after midnight. Much cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Huntingdon, PA

Today
Rain Showers
78°/ 52° 26°/ 11°
20%
Saturday
Partly Cloudy
72°/ 62° 22°/ 17°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
100%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
62°/ 48° 17°/
80%
Wednesday
Rain Showers
60°/ 50° 16°/ 10°
70%
Thursday
Rain Showers
62°17°
50%

Day: Partly sunny. A slight chance of showers this morning. Patchy fog this morning. Highs in the upper 70s. North winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy. Patchy fog after midnight. Cooler with lows in the lower 50s. North winds around 5 mph.

Chambersburg, PA

Today
Partly Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Partly Cloudy
75°/ 62° 24°/ 17°
50%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
90%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
70%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
70%
Thursday
Rain Showers
65°18°
50%

Day: Patchy fog this morning. Partly sunny. Highs in the lower 80s. North winds around 5 mph.

Night: Partly cloudy. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph.

Newport, PA

Today
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Saturday
Sunny
72°/ 60° 22°/ 16°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
100%
Monday
Rain Showers
68°/ 52° 20°/ 11°
70%
Tuesday
Rain Showers
62°/ 48° 17°/
70%
Wednesday
Rain Showers
60°/ 48° 16°/
70%
Thursday
Rain Showers
62°17°
50%

Day: Patchy fog this morning. Partly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Much cooler. Less humid with lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph.

Lewistown, PA

Today
Partly Cloudy
78°/ 50° 26°/ 10°
0%
Saturday
Sunny
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
100%
Monday
Rain Showers
68°/ 52° 20°/ 11°
70%
Tuesday
Rain Showers
60°/ 48° 16°/
70%
Wednesday
Rain Showers
60°/ 48° 16°/
60%
Thursday
Rain Showers
62°17°
60%

Day: Areas of fog this morning. Partly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Much cooler. Less humid with lows around 50. Northeast winds 5 to 10 mph.

Carlisle, PA

Today
Partly Cloudy
80°/ 52° 27°/ 11°
0%
Saturday
Sunny
75°/ 62° 24°/ 17°
70%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
90%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
70%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
60%
Thursday
Rain Showers
65°18°
50%

Day: Patchy fog this morning. Partly sunny. Highs around 80. North winds around 5 mph.

Night: Partly cloudy. Much cooler. Less humid with lows in the lower 50s. North winds 5 to 10 mph.

McConnellsburg, PA

Today
Rain Showers
78°/ 55° 26°/ 13°
20%
Saturday
Partly Cloudy
72°/ 62° 22°/ 17°
50%
Sunday
Thunderstorms
75°/ 60° 24°/ 16°
90%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
70%
Wednesday
Rain Showers
58°/ 52° 14°/ 11°
60%
Thursday
Rain Showers
62°17°
50%

Day: Partly sunny. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the upper 70s. North winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy. Patchy fog after midnight. Cooler with lows in the mid 50s. Northeast winds around 5 mph.

Altoona, PA

Today
Mostly Cloudy
78°/ 52° 26°/ 11°
0%
Saturday
Partly Cloudy
72°/ 60° 22°/ 16°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
80%
Tuesday
Rain Showers
60°/ 48° 16°/
80%
Wednesday
Rain Showers
58°/ 48° 14°/
70%
Thursday
Rain Showers
62°17°
60%

Day: Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the upper 70s. North winds around 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Cooler with lows in the lower 50s. Northeast winds 5 to 10 mph.

Bedford, PA

Today
Rain Showers
78°/ 52° 26°/ 11°
20%
Saturday
Partly Cloudy
72°/ 62° 22°/ 17°
50%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Monday
Rain Showers
65°/ 55° 18°/ 13°
80%
Tuesday
Rain Showers
60°/ 50° 16°/ 10°
80%
Wednesday
Rain Showers
58°/ 50° 14°/ 10°
70%
Thursday
Rain Showers
62°17°
60%

Day: Partly sunny. Areas of fog this morning. A slight chance of showers this afternoon. Highs in the upper 70s. North winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy. Patchy fog after midnight. Cooler with lows in the lower 50s. North winds around 5 mph.

Gettysburg, PA

Today
Partly Cloudy
82°/ 52° 28°/ 11°
0%
Saturday
Partly Cloudy
75°/ 62° 24°/ 17°
50%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
90%
Monday
Rain Showers
68°/ 58° 20°/ 14°
60%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
70%
Wednesday
Rain Showers
60°/ 52° 16°/ 11°
60%
Thursday
Rain Showers
65°18°
50%

Day: Patchy fog this morning. Partly sunny. Highs in the lower 80s. North winds 5 to 10 mph.

Night: Partly cloudy. Much cooler. Less humid with lows in the lower 50s. North winds around 5 mph.

State College, PA

Today
Partly Cloudy
78°/ 48° 26°/
0%
Saturday
Sunny
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
70°/ 55° 21°/ 13°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
58°/ 48° 14°/
80%
Wednesday
Rain Showers
58°/ 48° 14°/
70%
Thursday
Rain Showers
62°17°
60%

Day: Patchy fog this morning. Partly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Much cooler with lows in the upper 40s. Northeast winds 5 to 10 mph.

Selinsgrove, PA

Today
Sunny
78°/ 50° 26°/ 10°
0%
Saturday
Sunny
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Rain Showers
60°/ 48° 16°/
70%
Wednesday
Rain Showers
60°/ 48° 16°/
60%
Thursday
Rain Showers
62°17°
50%

Day: Patchy fog this morning. Mostly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Mostly clear. Patchy fog after midnight. Much cooler. Less humid with lows around 50. North winds 5 to 10 mph with gusts up to 20 mph.

York, PA

Today
Sunny
82°/ 55° 28°/ 13°
0%
Saturday
Partly Cloudy
75°/ 62° 24°/ 17°
50%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
90%
Monday
Rain Showers
70°/ 58° 21°/ 14°
60%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
60%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
50%
Thursday
Rain Showers
65°18°
50%

Day: Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.

Night: Partly cloudy. Cooler. Less humid with lows in the mid 50s. North winds 5 to 10 mph.

Harrisburg, PA

Today
Sunny
78°/ 52° 26°/ 11°
0%
Saturday
Sunny
72°/ 60° 22°/ 16°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
100%
Monday
Rain Showers
68°/ 55° 20°/ 13°
60%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
60%
Wednesday
Rain Showers
62°/ 50° 17°/ 10°
50%
Thursday
Rain Showers
65°18°
50%

Day: Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.

Night: Mostly clear. Much cooler. Less humid with lows in the lower 50s. North winds 5 to 10 mph.

Lewisburg, PA

Today
Sunny
78°/ 48° 26°/
0%
Saturday
Sunny
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Rain Showers
58°/ 48° 14°/
70%
Wednesday
Rain Showers
62°/ 48° 17°/
60%
Thursday
Rain Showers
62°17°
50%

Day: Mostly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Much cooler. Less humid with lows in the upper 40s. North winds around 5 mph.

Philipsburg, PA

Today
Mostly Cloudy
75°/ 48° 24°/
0%
Saturday
Sunny
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
100%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Rain Showers
58°/ 48° 14°/
80%
Wednesday
Rain Showers
58°/ 48° 14°/
70%
Thursday
Rain Showers
62°17°
60%

Day: Mostly cloudy this morning, then becoming mostly sunny. Patchy fog this morning. Highs in the mid 70s. North winds around 5 mph.

Night: Partly cloudy. Patchy fog after midnight. Cooler with lows in the upper 40s. Northeast winds around 5 mph.

Johnstown, PA

Today
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Partly Cloudy
68°/ 60° 20°/ 16°
70%
Sunday
Rain Showers
70°/ 58° 21°/ 14°
100%
Monday
Rain Showers
65°/ 55° 18°/ 13°
80%
Tuesday
Rain Showers
58°/ 48° 14°/
80%
Wednesday
Rain Showers
58°/ 48° 14°/
70%
Thursday
Rain Showers
62°17°
50%

Day: Mostly cloudy this morning, then becoming partly sunny. Patchy fog this morning. Highs in the lower 70s. North winds around 5 mph.

Night: Partly cloudy. Cooler with lows in the lower 50s. Northeast winds around 5 mph.

Sunbury, PA

Today
Sunny
78°/ 48° 26°/
0%
Saturday
Sunny
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Rain Showers
60°/ 48° 16°/
70%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Rain Showers
62°17°
50%

Day: Mostly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Mostly clear. Patchy fog after midnight. Much cooler with lows in the upper 40s. North winds around 5 mph.

DuBois, PA

Today
Rain Showers
75°/ 48° 24°/
20%
Saturday
Partly Cloudy
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
58°/ 48° 14°/
80%
Wednesday
Rain Showers
58°/ 48° 14°/
70%
Thursday
Rain Showers
62°17°
60%

Day: Patchy fog this morning. Mostly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Highs in the mid 70s. North winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy. Cooler with lows in the upper 40s. Northeast winds around 5 mph.

Lock Haven, PA

Today
Partly Cloudy
78°/ 48° 26°/
0%
Saturday
Sunny
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
100%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
60°/ 48° 16°/
70%
Wednesday
Rain Showers
60°/ 48° 16°/
60%
Thursday
Rain Showers
62°17°
60%

Day: Patchy fog this morning. Partly sunny. Highs in the upper 70s. North winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Much cooler with lows in the upper 40s. Northeast winds around 5 mph.

Names listed above may include county names.

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