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Plain WI Weather - Lightning Observed - 74°F
Lightning Observed
74°F
Updated 11:02 am
Feels Like 94°F
Humidity 90%
Wind N 3 mph
Barometer  29.94 in
Dew Point 71°F
Plain WI Weather - Lightning Observed - 23°C
Lightning Observed
23°C
Updated 11:02 am
Feels Like 35°C
Humidity 90%
Wind N 5 km/h
Barometer  101.3 kPa
Dew Point 22°C
Plain, WI Weather and Current Conditionsplain wi weather forecast

Plain, WI Weather Forecast

Plain Wisconsin WeatherPlain, Wisconsin Weather Weather Forecast
14 Day API Plain, WI Weather Forecast. Note: Our 7 day Plain, Wisconsin weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Plain, WI Weather Forecast Dated: 1102 AM Thu Sep 03 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Plain Weather - 2026-09-03 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Plain Weather - 2026-09-03 - Afternoon - Overcast
92°F 33°C
Overcast
Early-Evening
Plain Weather - 2026-09-03 - Evening - Sunny
83°F 28°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the ESE at 5 mph 8 km/h.

Friday, September 4, 2026

Mid-Morning
Plain Weather - 2026-09-04 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Plain Weather - 2026-09-04 - Afternoon - Nearby Thunderstorms
85°F 29°C
Nearby Thunderstorms
Early-Evening
Plain Weather - 2026-09-04 - Evening - Nearby Thunderstorms
82°F 28°C
Nearby Thunderstorms
Quite warm reaching 85°F 29°C, feeling like 92°F 33°C during peak afternoon, locally heavy thunderstorms at times, with lower humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Plain Weather - 2026-09-05 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Plain Weather - 2026-09-05 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Plain Weather - 2026-09-05 - Evening - Sunny
75°F 24°C
Sunny
Very warm near 83°F 28°C, though humidity makes it feel like 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the ENE at 8 mph 12 km/h.

Sunday, September 6, 2026

Mid-Morning
Plain Weather - 2026-09-06 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Plain Weather - 2026-09-06 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Plain Weather - 2026-09-06 - Evening - Cloudy
75°F 24°C
Cloudy
Mild temperatures up to 79°F 26°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds ESE at 7 mph 12 km/h.

Monday, September 7, 2026

Mid-Morning
Plain Weather - 2026-09-07 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Plain Weather - 2026-09-07 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Plain Weather - 2026-09-07 - Evening - Cloudy
73°F 23°C
Cloudy
Mild with a high of 77°F 25°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the SSE at 8 mph 13 km/h.

Tuesday, September 8, 2026

Mid-Morning
Plain Weather - 2026-09-08 - Morning - Scattered Showers
64°F 18°C
Scattered Showers
Mid-Afternoon
Plain Weather - 2026-09-08 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Plain Weather - 2026-09-08 - Evening - Overcast
72°F 23°C
Overcast
Pleasant near 73°F 23°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds shifting from the SE to the ESE at 6 mph 10 km/h.

Wednesday, September 9, 2026

Mid-Morning
Plain Weather - 2026-09-09 - Morning - Light Showers
71°F 22°C
Light Showers
Mid-Afternoon
Plain Weather - 2026-09-09 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Plain Weather - 2026-09-09 - Evening - Overcast
76°F 25°C
Overcast
Warm and summery around 82°F 28°C (feels like 85°F 29°C), early showers breaking for a drier afternoon, with lower humidity and steady pressure.

Thursday, September 10, 2026

Mid-Morning
Plain Weather - 2026-09-10 - Morning - Overcast
62°F 16°C
Overcast
Mid-Afternoon
Plain Weather - 2026-09-10 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Plain Weather - 2026-09-10 - Evening - Overcast
70°F 21°C
Overcast
Enjoyable around 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the W at 4 mph 6 km/h.

Friday, September 11, 2026

Mid-Morning
Plain Weather - 2026-09-11 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Plain Weather - 2026-09-11 - Afternoon - Cloudy
74°F 24°C
Cloudy
Early-Evening
Plain Weather - 2026-09-11 - Evening - Sunny
70°F 21°C
Sunny
Mild temperatures up to 74°F 24°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Plain Weather - 2026-09-12 - Morning - Scattered Showers
67°F 20°C
Scattered Showers
Mid-Afternoon
Plain Weather - 2026-09-12 - Afternoon - Scattered Showers
77°F 25°C
Scattered Showers
Early-Evening
Plain Weather - 2026-09-12 - Evening - Scattered Showers
74°F 24°C
Scattered Showers
Mild with a high of 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the SE to the SSE at 11 mph 17 km/h. Gusts up to 27 mph 43 km/h.

Sunday, September 13, 2026

Mid-Morning
Plain Weather - 2026-09-13 - Morning - Light Fog
72°F 22°C
Light Fog
Mid-Afternoon
Plain Weather - 2026-09-13 - Afternoon - Sunny
83°F 29°C
Sunny
Early-Evening
Plain Weather - 2026-09-13 - Evening - Nearby Thunderstorms
74°F 23°C
Nearby Thunderstorms
Quite warm reaching 83°F 29°C, feeling like 88°F 31°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds moving from the SW to the SSW at 5 mph 8 km/h.

Monday, September 14, 2026

Mid-Morning
Plain Weather - 2026-09-14 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Plain Weather - 2026-09-14 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Plain Weather - 2026-09-14 - Evening - Scattered Showers
70°F 21°C
Scattered Showers
Comfortable with temperatures reaching 76°F 24°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the WSW to the WNW at 7 mph 10 km/h.

Tuesday, September 15, 2026

Mid-Morning
Plain Weather - 2026-09-15 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Plain Weather - 2026-09-15 - Afternoon - Cloudy
62°F 17°C
Cloudy
Early-Evening
Plain Weather - 2026-09-15 - Evening - Cloudy
59°F 15°C
Cloudy
Refreshing around 62°F 17°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure rising. Winds shifting from the WNW to the NW at 10 mph 16 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, September 16, 2026

Mid-Morning
Plain Weather - 2026-09-16 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Plain Weather - 2026-09-16 - Afternoon - Cloudy
62°F 17°C
Cloudy
Early-Evening
Plain Weather - 2026-09-16 - Evening - Partly Cloudy
57°F 14°C
Partly Cloudy
Mildly cool near 62°F 17°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.

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Weather by the Numbers

Thu, 3rd
Plain WI Weather - Thursday, Sep 3, 2026 - Overcast
Hi: 92°F 34°C
Lo: 68°F 20°C
Sunrise 06:27 AM
Sunset 07:32 PM
Wind WSW 8 mph12 km/h
Dew Point 70°F21°C
uv Index 3
Barometric Pressure 29.88 in1012 mb
POP 14% *
Humidity 58%
Fri, 4th
Plain WI Weather - Friday, Sep 4, 2026 - Thundery Outbreaks In Nearby
Hi: 86°F 30°C
Lo: 67°F 20°C
Sunrise 06:28 AM
Sunset 07:31 PM
Wind SSW 10 mph16 km/h
Dew Point 70°F21°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 17% *
Humidity 69%
Sat, 5th
Plain WI Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 83°F 28°C
Lo: 67°F 19°C
Sunrise 06:29 AM
Sunset 07:29 PM
Wind ENE 7 mph11 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 8% *
Humidity 74%
Sun, 6th
Plain WI Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 79°F 26°C
Lo: 62°F 16°C
Sunrise 06:30 AM
Sunset 07:27 PM
Wind ESE 6 mph10 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 5% *
Humidity 65%
Mon, 7th
Plain WI Weather - Monday, Sep 7, 2026 - Overcast
Hi: 77°F 25°C
Lo: 65°F 18°C
Sunrise 06:31 AM
Sunset 07:25 PM
Wind SE 7 mph12 km/h
Dew Point 59°F15°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 14% *
Humidity 63%
Tue, 8th
Plain WI Weather - Tuesday, Sep 8, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 63°F 17°C
Sunrise 06:32 AM
Sunset 07:23 PM
Wind SSE 9 mph15 km/h
Dew Point 59°F15°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 18% *
Humidity 73%
Wed, 9th
Plain WI Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 83°F 28°C
Lo: 70°F 21°C
Sunrise 06:34 AM
Sunset 07:22 PM
Wind WNW 7 mph12 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 16% *
Humidity 67%
Thu, 10th
Plain WI Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 72°F 22°C
Lo: 58°F 14°C
Sunrise 06:35 AM
Sunset 07:20 PM
Wind NW 9 mph15 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 13% *
Humidity 55%
Fri, 11th
Plain WI Weather - Friday, Sep 11, 2026 - Overcast
Hi: 75°F 24°C
Lo: 57°F 14°C
Sunrise 06:36 AM
Sunset 07:18 PM
Wind E 2 mph4 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 11% *
Humidity 60%
Sat, 12th
Plain WI Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 78°F 25°C
Lo: 62°F 17°C
Sunrise 06:37 AM
Sunset 07:16 PM
Wind SSE 14 mph23 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 8% *
Humidity 58%
Sun, 13th
Plain WI Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 84°F 29°C
Lo: 69°F 21°C
Sunrise 06:38 AM
Sunset 07:14 PM
Wind SW 9 mph15 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.74 in1007 mb
POP 8% *
Humidity 70%
Mon, 14th
Plain WI Weather - Monday, Sep 14, 2026 - Sunny
Hi: 77°F 25°C
Lo: 64°F 18°C
Sunrise 06:39 AM
Sunset 07:13 PM
Wind WNW 9 mph15 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.62 in1003 mb
POP 12% *
Humidity 69%
Tue, 15th
Plain WI Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 64°F 18°C
Lo: 55°F 13°C
Sunrise 06:40 AM
Sunset 07:11 PM
Wind WNW 18 mph28 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 5% *
Humidity 51%
Wed, 16th
Plain WI Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 63°F 17°C
Lo: 47°F 8°C
Sunrise 06:41 AM
Sunset 07:09 PM
Wind NNW 7 mph12 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 8% *
Humidity 59%
* POP = Probability of Precipitation. Data for 12:00 PM.