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Plano IL Weather - Clear - 90°F
Clear
90°F
Updated 4:01 pm
Feels Like 108°F
Humidity 57%
Wind SSE 9 mph
Barometer  29.92 in
Dew Point 73°F
Plano IL Weather - Clear - 32°C
Clear
32°C
Updated 4:01 pm
Feels Like 42°C
Humidity 57%
Wind SSE 14 km/h
Barometer  101.3 kPa
Dew Point 23°C
Plano, IL Weather and Current Conditionsplano il weather forecast

Plano, IL Weather Forecast

Plano Illinois WeatherPlano, Illinois Weather Weather Forecast
14 day API Plano, IL weather forecast. Note. Our 7-day weather forecast for Plano, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Plano, IL Weather Forecast Dated: 401 PM Thu Sep 03 2026
Expect a very warm period with plenty of sunshine and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 3, 2026

Mid-Morning
Plano Weather - 2026-09-03 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-03 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Plano Weather - 2026-09-03 - Evening - Sunny
88°F 31°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 114°F 45°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WSW to the SSE at 6 mph 9 km/h.

Friday, September 4, 2026

Mid-Morning
Plano Weather - 2026-09-04 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-04 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Plano Weather - 2026-09-04 - Evening - Nearby Thunderstorms
85°F 30°C
Nearby Thunderstorms
Quite warm reaching 87°F 31°C, feeling like 95°F 35°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the E to the ESE at 4 mph 6 km/h.

Saturday, September 5, 2026

Mid-Morning
Plano Weather - 2026-09-05 - Morning - Partly Cloudy
74°F 23°C
Partly Cloudy
Mid-Afternoon
Plano Weather - 2026-09-05 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Plano Weather - 2026-09-05 - Evening - Sunny
74°F 24°C
Sunny
Very warm near 84°F 29°C, though humidity makes it feel like 89°F 32°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ENE to the NE at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.

Sunday, September 6, 2026

Mid-Morning
Plano Weather - 2026-09-06 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-06 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Plano Weather - 2026-09-06 - Evening - Sunny
70°F 21°C
Sunny
Mild temperatures up to 78°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the E to the NE at 9 mph 13 km/h.

Monday, September 7, 2026

Mid-Morning
Plano Weather - 2026-09-07 - Morning - Partly Cloudy
65°F 18°C
Partly Cloudy
Mid-Afternoon
Plano Weather - 2026-09-07 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Plano Weather - 2026-09-07 - Evening - Sunny
70°F 21°C
Sunny
Mild with a high of 76°F 25°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the ESE to the SE at 6 mph 9 km/h.

Tuesday, September 8, 2026

Mid-Morning
Plano Weather - 2026-09-08 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Plano Weather - 2026-09-08 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Plano Weather - 2026-09-08 - Evening - Partly Cloudy
77°F 25°C
Partly Cloudy
Pleasant near 78°F 26°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the SE to the SSE at 12 mph 19 km/h. Gusts up to 29 mph 46 km/h.

Wednesday, September 9, 2026

Mid-Morning
Plano Weather - 2026-09-09 - Morning - Partly Cloudy
77°F 25°C
Partly Cloudy
Mid-Afternoon
Plano Weather - 2026-09-09 - Afternoon - Partly Cloudy
85°F 29°C
Partly Cloudy
Early-Evening
Plano Weather - 2026-09-09 - Evening - Overcast
76°F 25°C
Overcast
Warm and summery around 85°F 29°C (feels like 88°F 31°C), partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the W to the NW at 7 mph 12 km/h.

Thursday, September 10, 2026

Mid-Morning
Plano Weather - 2026-09-10 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Plano Weather - 2026-09-10 - Afternoon - Scattered Showers
76°F 24°C
Scattered Showers
Early-Evening
Plano Weather - 2026-09-10 - Evening - Overcast
74°F 24°C
Overcast
Enjoyable around 76°F 24°C, scattered downpours possible, with steady humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Plano Weather - 2026-09-11 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-11 - Afternoon - Partly Cloudy
76°F 24°C
Partly Cloudy
Early-Evening
Plano Weather - 2026-09-11 - Evening - Sunny
73°F 23°C
Sunny
Mild temperatures up to 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the E to the ESE at 11 mph 18 km/h. Gusts up to 23 mph 38 km/h.

Saturday, September 12, 2026

Mid-Morning
Plano Weather - 2026-09-12 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-12 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Plano Weather - 2026-09-12 - Evening - Sunny
84°F 29°C
Sunny
Warm and summery around 87°F 31°C (feels like 94°F 35°C), sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the ESE to the SE at 9 mph 14 km/h.

Sunday, September 13, 2026

Mid-Morning
Plano Weather - 2026-09-13 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-13 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Plano Weather - 2026-09-13 - Evening - Sunny
83°F 28°C
Sunny
Quite warm reaching 89°F 32°C, feeling like 96°F 35°C during peak afternoon, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds out of the WSW at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.

Monday, September 14, 2026

Mid-Morning
Plano Weather - 2026-09-14 - Morning - Light Showers
74°F 23°C
Light Showers
Mid-Afternoon
Plano Weather - 2026-09-14 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Plano Weather - 2026-09-14 - Evening - Scattered Showers
74°F 24°C
Scattered Showers
Comfortable with temperatures reaching 78°F 25°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds turning from the SSW to the E at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Plano Weather - 2026-09-15 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-15 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Plano Weather - 2026-09-15 - Evening - Scattered Showers
61°F 17°C
Scattered Showers
Refreshing around 67°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the W to the NW at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.

Wednesday, September 16, 2026

Mid-Morning
Plano Weather - 2026-09-16 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Plano Weather - 2026-09-16 - Afternoon - Partly Cloudy
64°F 18°C
Partly Cloudy
Early-Evening
Plano Weather - 2026-09-16 - Evening - Partly Cloudy
60°F 16°C
Partly Cloudy
Mildly cool near 64°F 18°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NNW to the NNE at 7 mph 11 km/h.

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Weather by the Numbers

Thu, 3rd
Plano IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 99°F 37°C
Lo: 74°F 24°C
Sunrise 06:22 AM
Sunset 07:24 PM
Wind WSW 6 mph10 km/h
Dew Point 77°F25°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 56%
Fri, 4th
Plano IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 88°F 31°C
Lo: 76°F 24°C
Sunrise 06:23 AM
Sunset 07:22 PM
Wind SSW 10 mph15 km/h
Dew Point 71°F22°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 5% *
Humidity 67%
Sat, 5th
Plano IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 84°F 29°C
Lo: 68°F 20°C
Sunrise 06:24 AM
Sunset 07:21 PM
Wind NE 5 mph8 km/h
Dew Point 72°F22°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 8% *
Humidity 75%
Sun, 6th
Plano IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 78°F 25°C
Lo: 64°F 18°C
Sunrise 06:25 AM
Sunset 07:19 PM
Wind E 9 mph14 km/h
Dew Point 60°F16°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 59%
Mon, 7th
Plano IL Weather - Monday, Sep 7, 2026 - Overcast
Hi: 76°F 25°C
Lo: 63°F 17°C
Sunrise 06:26 AM
Sunset 07:17 PM
Wind ESE 8 mph13 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 13% *
Humidity 56%
Tue, 8th
Plano IL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 79°F 26°C
Lo: 61°F 16°C
Sunrise 06:27 AM
Sunset 07:16 PM
Wind SSE 11 mph17 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 18% *
Humidity 70%
Wed, 9th
Plano IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 85°F 29°C
Lo: 70°F 21°C
Sunrise 06:28 AM
Sunset 07:14 PM
Wind NW 13 mph20 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 7% *
Humidity 64%
Thu, 10th
Plano IL Weather - Thursday, Sep 10, 2026 - Light Rain Shower
Hi: 76°F 25°C
Lo: 69°F 20°C
Sunrise 06:29 AM
Sunset 07:12 PM
Wind SE 3 mph5 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 28% *
Humidity 74%
Fri, 11th
Plano IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 76°F 25°C
Lo: 65°F 19°C
Sunrise 06:30 AM
Sunset 07:10 PM
Wind E 15 mph24 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 59%
Sat, 12th
Plano IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 89°F 32°C
Lo: 64°F 18°C
Sunrise 06:31 AM
Sunset 07:09 PM
Wind SE 11 mph17 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 5% *
Humidity 68%
Sun, 13th
Plano IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 89°F 32°C
Lo: 74°F 23°C
Sunrise 06:32 AM
Sunset 07:07 PM
Wind WSW 11 mph18 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 3% *
Humidity 58%
Mon, 14th
Plano IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 78°F 25°C
Lo: 66°F 19°C
Sunrise 06:33 AM
Sunset 07:05 PM
Wind SSW 10 mph17 km/h
Dew Point 71°F21°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 23% *
Humidity 81%
Tue, 15th
Plano IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 67°F 20°C
Lo: 55°F 13°C
Sunrise 06:34 AM
Sunset 07:03 PM
Wind W 17 mph27 km/h
Dew Point 51°F10°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 3% *
Humidity 59%
Wed, 16th
Plano IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 65°F 18°C
Lo: 50°F 10°C
Sunrise 06:35 AM
Sunset 07:02 PM
Wind NNW 9 mph14 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 62%
* POP = Probability of Precipitation. Data for 12:00 PM.