Grass Lake, IL 14 Day Weather

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Grass Lake, IL Weather - 14-Day Weather Forecast

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Grass Lake IL Weather - Clear - 76°F
Clear
76°F
Updated 9:50 am
Feels Like 72°F
Humidity 63%
Wind SSW 8 mph
Barometer  29.89 in
Dew Point 63°F
Grass Lake IL Weather - Clear - 25°C
Clear
25°C
Updated 9:50 am
Feels Like 22°C
Humidity 63%
Wind SSW 13 km/h
Barometer  101.2 kPa
Dew Point 17°C
Grass Lake, IL Weather and Current Conditionsgrass lake il weather forecast

Grass Lake, IL Weather Forecast

Grass Lake Illinois WeatherGrass Lake, Illinois Weather Weather Forecast
14 day API forecast for Grass Lake. Note. The 7-day Grass Lake weather forecast is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Grass Lake, IL Weather Forecast Dated: 950 AM Thu Oct 01 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, October 1, 2026

Mid-Morning
Grass Lake Weather - 2026-10-01 - Morning - Light Showers
72°F 22°C
Light Showers
Mid-Afternoon
Grass Lake Weather - 2026-10-01 - Afternoon - Light Showers
72°F 22°C
Light Showers
Early-Evening
Grass Lake Weather - 2026-10-01 - Evening - Light Showers
71°F 22°C
Light Showers
Pleasant near 72°F 22°C, rounds of showers expected off and on all day, with increasing humidity and steady pressure. Winds turning from the SW to the NNE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Friday, October 2, 2026

Mid-Morning
Grass Lake Weather - 2026-10-02 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Grass Lake Weather - 2026-10-02 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-02 - Evening - Sunny
60°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NNE at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.

Saturday, October 3, 2026

Mid-Morning
Grass Lake Weather - 2026-10-03 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-03 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-03 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Sunday, October 4, 2026

Mid-Morning
Grass Lake Weather - 2026-10-04 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Grass Lake Weather - 2026-10-04 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-04 - Evening - Partly Cloudy
64°F 18°C
Partly Cloudy
Mild temperatures up to 75°F 24°C, overcast in the morning, becoming sunny through the afternoon and evening, with increasing humidity and steady pressure. Winds moving from the NNW to the N at 10 mph 17 km/h. Gusts up to 22 mph 35 km/h.

Monday, October 5, 2026

Mid-Morning
Grass Lake Weather - 2026-10-05 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-05 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-05 - Evening - Sunny
61°F 16°C
Sunny
Mild with a high of 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 7 mph 11 km/h.

Tuesday, October 6, 2026

Mid-Morning
Grass Lake Weather - 2026-10-06 - Morning - Cloudy
54°F 12°C
Cloudy
Mid-Afternoon
Grass Lake Weather - 2026-10-06 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-06 - Evening - Sunny
62°F 17°C
Sunny
Pleasant near 69°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the SSE at 7 mph 12 km/h.

Wednesday, October 7, 2026

Mid-Morning
Grass Lake Weather - 2026-10-07 - Morning - Overcast
60°F 15°C
Overcast
Mid-Afternoon
Grass Lake Weather - 2026-10-07 - Afternoon - Cloudy
76°F 25°C
Cloudy
Early-Evening
Grass Lake Weather - 2026-10-07 - Evening - Sunny
70°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with increasing humidity and steady pressure. Winds turning from the SSW to the NW at 9 mph 14 km/h.

Thursday, October 8, 2026

Mid-Morning
Grass Lake Weather - 2026-10-08 - Morning - Cloudy
57°F 14°C
Cloudy
Mid-Afternoon
Grass Lake Weather - 2026-10-08 - Afternoon - Partly Cloudy
70°F 21°C
Partly Cloudy
Early-Evening
Grass Lake Weather - 2026-10-08 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 70°F 21°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and steady pressure.

Friday, October 9, 2026

Mid-Morning
Grass Lake Weather - 2026-10-09 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-09 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-09 - Evening - Sunny
71°F 22°C
Sunny
Mild temperatures up to 76°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the S at 9 mph 14 km/h.

Saturday, October 10, 2026

Mid-Morning
Grass Lake Weather - 2026-10-10 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-10 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-10 - Evening - Sunny
76°F 24°C
Sunny
Very warm with a high of 84°F 29°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 15 mph 24 km/h. Gusts up to 26 mph 41 km/h.

Sunday, October 11, 2026

Mid-Morning
Grass Lake Weather - 2026-10-11 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-11 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-11 - Evening - Sunny
59°F 15°C
Sunny
Pleasant near 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds swinging from the WSW to the NNW at 15 mph 23 km/h. Gusts up to 25 mph 40 km/h.

Monday, October 12, 2026

Mid-Morning
Grass Lake Weather - 2026-10-12 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-12 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-12 - Evening - Sunny
51°F 11°C
Sunny
Crisp with a high near 57°F 14°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NNW at 13 mph 21 km/h.

Tuesday, October 13, 2026

Mid-Morning
Grass Lake Weather - 2026-10-13 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-13 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-13 - Evening - Sunny
60°F 15°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SW to the WSW at 10 mph 16 km/h. Gusts up to 25 mph 40 km/h.

Wednesday, October 14, 2026

Mid-Morning
Grass Lake Weather - 2026-10-14 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Grass Lake Weather - 2026-10-14 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Grass Lake Weather - 2026-10-14 - Evening - Sunny
61°F 16°C
Sunny
Mild temperatures up to 70°F 21°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds switching from the NW to the SE at 9 mph 14 km/h.

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Weather by the Numbers

Thu, 1st
Grass Lake IL Weather - Thursday, Oct 1, 2026 - Light Rain Shower
Hi: 76°F 24°C
Lo: 62°F 17°C
Sunrise 06:57 AM
Sunset 06:43 PM
Wind SSW 7 mph11 km/h
Dew Point 69°F21°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 59% *
Humidity 93%
Fri, 2nd
Grass Lake IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 68°F 20°C
Lo: 54°F 12°C
Sunrise 06:58 AM
Sunset 06:41 PM
Wind NNE 15 mph23 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 52%
Sat, 3rd
Grass Lake IL Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 70°F 21°C
Lo: 49°F 10°C
Sunrise 06:59 AM
Sunset 06:39 PM
Wind ESE 8 mph13 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 44%
Sun, 4th
Grass Lake IL Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 75°F 24°C
Lo: 56°F 14°C
Sunrise 07:00 AM
Sunset 06:38 PM
Wind N 6 mph10 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 52%
Mon, 5th
Grass Lake IL Weather - Monday, Oct 5, 2026 - Sunny
Hi: 68°F 20°C
Lo: 49°F 10°C
Sunrise 07:01 AM
Sunset 06:36 PM
Wind ENE 9 mph14 km/h
Dew Point 38°F4°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 39%
Tue, 6th
Grass Lake IL Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 69°F 21°C
Lo: 48°F 9°C
Sunrise 07:02 AM
Sunset 06:34 PM
Wind SSE 9 mph15 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 38%
Wed, 7th
Grass Lake IL Weather - Wednesday, Oct 7, 2026 - Overcast
Hi: 77°F 25°C
Lo: 54°F 12°C
Sunrise 07:03 AM
Sunset 06:33 PM
Wind SW 11 mph17 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 7% *
Humidity 34%
Thu, 8th
Grass Lake IL Weather - Thursday, Oct 8, 2026 - Partly Cloudy
Hi: 71°F 21°C
Lo: 52°F 11°C
Sunrise 07:04 AM
Sunset 06:31 PM
Wind SW 5 mph9 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 35%
Fri, 9th
Grass Lake IL Weather - Friday, Oct 9, 2026 - Sunny
Hi: 77°F 25°C
Lo: 54°F 12°C
Sunrise 07:05 AM
Sunset 06:30 PM
Wind SSE 8 mph12 km/h
Dew Point 38°F4°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 31%
Sat, 10th
Grass Lake IL Weather - Saturday, Oct 10, 2026 - Sunny
Hi: 84°F 29°C
Lo: 64°F 18°C
Sunrise 07:06 AM
Sunset 06:28 PM
Wind SW 15 mph23 km/h
Dew Point 50°F10°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 37%
Sun, 11th
Grass Lake IL Weather - Sunday, Oct 11, 2026 - Sunny
Hi: 75°F 24°C
Lo: 52°F 11°C
Sunrise 07:07 AM
Sunset 06:27 PM
Wind WNW 15 mph25 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 2% *
Humidity 46%
Mon, 12th
Grass Lake IL Weather - Monday, Oct 12, 2026 - Sunny
Hi: 57°F 14°C
Lo: 43°F 6°C
Sunrise 07:08 AM
Sunset 06:25 PM
Wind NNW 13 mph22 km/h
Dew Point 19°F-7°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 0% *
Humidity 26%
Tue, 13th
Grass Lake IL Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 66°F 19°C
Lo: 41°F 5°C
Sunrise 07:09 AM
Sunset 06:24 PM
Wind SW 12 mph20 km/h
Dew Point 21°F-6°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 23%
Wed, 14th
Grass Lake IL Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 71°F 21°C
Lo: 52°F 11°C
Sunrise 07:10 AM
Sunset 06:22 PM
Wind NNW 11 mph18 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.