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Geneseo IL Weather - Clear - 61°F
Clear
61°F
Updated 11:03 pm
Feels Like 67°F
Humidity 93%
Wind N 0 mph
Barometer  30.01 in
Dew Point 59°F
Geneseo IL Weather - Clear - 16°C
Clear
16°C
Updated 11:03 pm
Feels Like 20°C
Humidity 93%
Wind N 0 km/h
Barometer  101.6 kPa
Dew Point 15°C
Geneseo, IL Weather and Current Conditionsgeneseo il weather forecast

Geneseo, IL Weather Forecast

Geneseo Illinois WeatherGeneseo, Illinois Weather Weather Forecast
14 day API weather forecast for Geneseo, Illinois. Note: The 7-day weather forecast for Geneseo, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Geneseo, IL Weather Forecast Dated: 1103 PM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Geneseo Weather - 2026-09-10 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Geneseo Weather - 2026-09-10 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-10 - Evening - Sunny
76°F 25°C
Sunny
Warm and summery near 80°F 27°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Geneseo Weather - 2026-09-11 - Morning - Sunny
65°F 19°C
Sunny
Mid-Afternoon
Geneseo Weather - 2026-09-11 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Geneseo Weather - 2026-09-11 - Evening - Sunny
73°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Geneseo Weather - 2026-09-12 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Geneseo Weather - 2026-09-12 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-12 - Evening - Nearby Thunderstorms
80°F 27°C
Nearby Thunderstorms
Very warm near 83°F 28°C, though humidity makes it feel like 86°F 30°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds out of the SSW at 8 mph 13 km/h.

Sunday, September 13, 2026

Mid-Morning
Geneseo Weather - 2026-09-13 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Geneseo Weather - 2026-09-13 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-13 - Evening - Overcast
70°F 21°C
Overcast
Mild temperatures up to 76°F 25°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NE to the ENE at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.

Monday, September 14, 2026

Mid-Morning
Geneseo Weather - 2026-09-14 - Morning - Partly Cloudy
73°F 23°C
Partly Cloudy
Mid-Afternoon
Geneseo Weather - 2026-09-14 - Afternoon - Partly Cloudy
84°F 29°C
Partly Cloudy
Early-Evening
Geneseo Weather - 2026-09-14 - Evening - Sunny
82°F 28°C
Sunny
Quite warm reaching 84°F 29°C, feeling like 87°F 31°C during peak afternoon, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 13 mph 21 km/h. Gusts up to 31 mph 50 km/h.

Tuesday, September 15, 2026

Mid-Morning
Geneseo Weather - 2026-09-15 - Morning - Partly Cloudy
72°F 22°C
Partly Cloudy
Mid-Afternoon
Geneseo Weather - 2026-09-15 - Afternoon - Light Showers
71°F 22°C
Light Showers
Early-Evening
Geneseo Weather - 2026-09-15 - Evening - Light Showers
69°F 20°C
Light Showers
Pleasant near 71°F 22°C, dry early, with showers continuing through afternoon and evening, with steady humidity and barometric pressure rising. Winds swinging from the NW to the SE at 9 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Geneseo Weather - 2026-09-16 - Morning - Light Showers
60°F 15°C
Light Showers
Mid-Afternoon
Geneseo Weather - 2026-09-16 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Geneseo Weather - 2026-09-16 - Evening - Overcast
64°F 18°C
Overcast
Comfortable at 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 8 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Geneseo Weather - 2026-09-17 - Morning - Light Fog
58°F 15°C
Light Fog
Mid-Afternoon
Geneseo Weather - 2026-09-17 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-17 - Evening - Overcast
65°F 18°C
Overcast
Enjoyable around 69°F 21°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NE to the E at 6 mph 9 km/h.

Friday, September 18, 2026

Mid-Morning
Geneseo Weather - 2026-09-18 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Geneseo Weather - 2026-09-18 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Geneseo Weather - 2026-09-18 - Evening - Sunny
65°F 19°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Geneseo Weather - 2026-09-19 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Geneseo Weather - 2026-09-19 - Afternoon - Overcast
74°F 24°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-19 - Evening - Partly Cloudy
69°F 21°C
Partly Cloudy
Mild with a high of 74°F 24°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Geneseo Weather - 2026-09-20 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Geneseo Weather - 2026-09-20 - Afternoon - Sunny
74°F 24°C
Sunny
Early-Evening
Geneseo Weather - 2026-09-20 - Evening - Overcast
68°F 21°C
Overcast
Pleasant near 74°F 24°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling.

Monday, September 21, 2026

Mid-Morning
Geneseo Weather - 2026-09-21 - Morning - Overcast
62°F 16°C
Overcast
Mid-Afternoon
Geneseo Weather - 2026-09-21 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-21 - Evening - Cloudy
67°F 20°C
Cloudy
Comfortable with temperatures reaching 74°F 23°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.

Tuesday, September 22, 2026

Mid-Morning
Geneseo Weather - 2026-09-22 - Morning - Light Fog
64°F 18°C
Light Fog
Mid-Afternoon
Geneseo Weather - 2026-09-22 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Geneseo Weather - 2026-09-22 - Evening - Sunny
67°F 19°C
Sunny
Enjoyable around 75°F 24°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the SW to the WSW at 8 mph 12 km/h.

Wednesday, September 23, 2026

Mid-Morning
Geneseo Weather - 2026-09-23 - Morning - Cloudy
53°F 12°C
Cloudy
Mid-Afternoon
Geneseo Weather - 2026-09-23 - Afternoon - Scattered Showers
60°F 16°C
Scattered Showers
Early-Evening
Geneseo Weather - 2026-09-23 - Evening - Partly Cloudy
58°F 14°C
Partly Cloudy
Mildly cool near 60°F 16°C, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the N to the NNE at 12 mph 19 km/h.

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Weather by the Numbers

Thu, 10th
Geneseo IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 82°F 28°C
Lo: 67°F 19°C
Sunrise 06:36 AM
Sunset 07:19 PM
Wind ENE 5 mph8 km/h
Dew Point 62°F16°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 14% *
Humidity 60%
Fri, 11th
Geneseo IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 79°F 26°C
Lo: 60°F 15°C
Sunrise 06:37 AM
Sunset 07:17 PM
Wind SE 8 mph13 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 4% *
Humidity 62%
Sat, 12th
Geneseo IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 83°F 29°C
Lo: 65°F 18°C
Sunrise 06:38 AM
Sunset 07:15 PM
Wind WSW 12 mph19 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 3% *
Humidity 55%
Sun, 13th
Geneseo IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 76°F 25°C
Lo: 59°F 15°C
Sunrise 06:39 AM
Sunset 07:13 PM
Wind NNE 10 mph17 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 47%
Mon, 14th
Geneseo IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 85°F 30°C
Lo: 64°F 18°C
Sunrise 06:40 AM
Sunset 07:12 PM
Wind SE 13 mph21 km/h
Dew Point 64°F18°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 6% *
Humidity 70%
Tue, 15th
Geneseo IL Weather - Tuesday, Sep 15, 2026 - Light Rain Shower
Hi: 84°F 29°C
Lo: 67°F 20°C
Sunrise 06:41 AM
Sunset 07:10 PM
Wind NNW 10 mph16 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 43% *
Humidity 69%
Wed, 16th
Geneseo IL Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 66°F 19°C
Lo: 59°F 15°C
Sunrise 06:42 AM
Sunset 07:08 PM
Wind ENE 8 mph13 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 51% *
Humidity 91%
Thu, 17th
Geneseo IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 70°F 21°C
Lo: 54°F 12°C
Sunrise 06:43 AM
Sunset 07:06 PM
Wind ENE 8 mph13 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 14% *
Humidity 59%
Fri, 18th
Geneseo IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 72°F 22°C
Lo: 52°F 11°C
Sunrise 06:44 AM
Sunset 07:05 PM
Wind SSE 5 mph8 km/h
Dew Point 49°F10°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 53%
Sat, 19th
Geneseo IL Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 75°F 24°C
Lo: 55°F 13°C
Sunrise 06:45 AM
Sunset 07:03 PM
Wind ESE 1 mph1 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 11% *
Humidity 51%
Sun, 20th
Geneseo IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 75°F 24°C
Lo: 58°F 14°C
Sunrise 06:46 AM
Sunset 07:01 PM
Wind ESE 6 mph9 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 53%
Mon, 21st
Geneseo IL Weather - Monday, Sep 21, 2026 - Overcast
Hi: 74°F 23°C
Lo: 56°F 13°C
Sunrise 06:47 AM
Sunset 06:59 PM
Wind ESE 6 mph9 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 58%
Tue, 22nd
Geneseo IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 75°F 24°C
Lo: 58°F 15°C
Sunrise 06:48 AM
Sunset 06:58 PM
Wind WSW 11 mph18 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 13% *
Humidity 59%
Wed, 23rd
Geneseo IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 62°F 17°C
Lo: 49°F 10°C
Sunrise 06:49 AM
Sunset 06:56 PM
Wind N 9 mph15 km/h
Dew Point 47°F9°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 13% *
Humidity 64%
* POP = Probability of Precipitation. Data for 12:00 PM.