Foster Lake, IL 14 Day Weather

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Foster Lake, IL Weather - 14-Day Weather Forecast

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Foster Lake IL Weather - Overcast - 65°F
Overcast
65°F
Updated 11:42 pm
Feels Like 57°F
Humidity 72%
Wind E 7 mph
Barometer  30.28 in
Dew Point 56°F
Foster Lake IL Weather - Overcast - 18°C
Overcast
18°C
Updated 11:42 pm
Feels Like 14°C
Humidity 72%
Wind E 11 km/h
Barometer  102.5 kPa
Dew Point 13°C
Foster Lake, IL Weather and Current Conditionsfoster lake il weather forecast

Foster Lake, IL Weather Forecast

Foster Lake Illinois WeatherFoster Lake, Illinois Weather Weather Forecast
14 day API weather forecast for Foster Lake. Note: The 7-day Foster Lake weather forecast 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.
Foster Lake, IL Weather Forecast Dated: 1142 PM Wed Sep 23 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Wednesday, September 23, 2026

Mid-Morning
Foster Lake Weather - 2026-09-23 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-23 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Foster Lake Weather - 2026-09-23 - Evening - Overcast
64°F 18°C
Overcast
Pleasant near 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the NE at 11 mph 18 km/h.

Thursday, September 24, 2026

Mid-Morning
Foster Lake Weather - 2026-09-24 - Morning - Overcast
62°F 16°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-24 - Afternoon - Partly Cloudy
76°F 24°C
Partly Cloudy
Early-Evening
Foster Lake Weather - 2026-09-24 - Evening - Partly Cloudy
69°F 21°C
Partly Cloudy
Comfortable with temperatures reaching 76°F 24°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NE to the ENE at 6 mph 10 km/h.

Friday, September 25, 2026

Mid-Morning
Foster Lake Weather - 2026-09-25 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-25 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Foster Lake Weather - 2026-09-25 - Evening - Overcast
63°F 18°C
Overcast
Comfortable at 65°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the E to the ENE at 8 mph 12 km/h.

Saturday, September 26, 2026

Mid-Morning
Foster Lake Weather - 2026-09-26 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-26 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Foster Lake Weather - 2026-09-26 - Evening - Overcast
62°F 17°C
Overcast
Cool with a high near 64°F 18°C, overcast throughout the day, with increasing humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Foster Lake Weather - 2026-09-27 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-27 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Foster Lake Weather - 2026-09-27 - Evening - Overcast
69°F 21°C
Overcast
Mild with a high of 75°F 24°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Foster Lake Weather - 2026-09-28 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Foster Lake Weather - 2026-09-28 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Foster Lake Weather - 2026-09-28 - Evening - Cloudy
71°F 22°C
Cloudy
Pleasant near 77°F 25°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the SE at 9 mph 14 km/h.

Tuesday, September 29, 2026

Mid-Morning
Foster Lake Weather - 2026-09-29 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-09-29 - Afternoon - Light Rain
64°F 18°C
Light Rain
Early-Evening
Foster Lake Weather - 2026-09-29 - Evening - Heavy Rain Showers
67°F 20°C
Heavy Rain Showers
Comfortable at 64°F 18°C, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling. Winds shifting from the SSE to the S at 16 mph 25 km/h. Gusts up to 31 mph 50 km/h.

Wednesday, September 30, 2026

Mid-Morning
Foster Lake Weather - 2026-09-30 - Morning - Light Showers
55°F 13°C
Light Showers
Mid-Afternoon
Foster Lake Weather - 2026-09-30 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
Foster Lake Weather - 2026-09-30 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 63°F 17°C, scattered morning showers before drying out later, with lower humidity and barometric pressure rising. Winds NW at 19 mph 31 km/h. Gusts up to 26 mph 41 km/h.

Thursday, October 1, 2026

Mid-Morning
Foster Lake Weather - 2026-10-01 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Foster Lake Weather - 2026-10-01 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Foster Lake Weather - 2026-10-01 - Evening - Sunny
64°F 18°C
Sunny
Mild temperatures up to 71°F 22°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Foster Lake Weather - 2026-10-02 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-10-02 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Foster Lake Weather - 2026-10-02 - Evening - Cloudy
66°F 19°C
Cloudy
Mild with a high of 72°F 22°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SSE to the S at 8 mph 13 km/h.

Saturday, October 3, 2026

Mid-Morning
Foster Lake Weather - 2026-10-03 - Morning - Partly Cloudy
62°F 17°C
Partly Cloudy
Mid-Afternoon
Foster Lake Weather - 2026-10-03 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Foster Lake Weather - 2026-10-03 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 73°F 23°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NNW to the ESE at 13 mph 22 km/h. Gusts up to 25 mph 40 km/h.

Sunday, October 4, 2026

Mid-Morning
Foster Lake Weather - 2026-10-04 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Foster Lake Weather - 2026-10-04 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Foster Lake Weather - 2026-10-04 - Evening - Overcast
48°F 9°C
Overcast
Crisp with a high near 57°F 14°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds swinging from the NNE to the SE at 15 mph 23 km/h. Gusts up to 26 mph 41 km/h.

Monday, October 5, 2026

Mid-Morning
Foster Lake Weather - 2026-10-05 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Foster Lake Weather - 2026-10-05 - Afternoon - Partly Cloudy
58°F 14°C
Partly Cloudy
Early-Evening
Foster Lake Weather - 2026-10-05 - Evening - Sunny
53°F 12°C
Sunny
Refreshing around 58°F 14°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds out of the SW at 13 mph 21 km/h.

Tuesday, October 6, 2026

Mid-Morning
Foster Lake Weather - 2026-10-06 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Foster Lake Weather - 2026-10-06 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Foster Lake Weather - 2026-10-06 - Evening - Sunny
56°F 13°C
Sunny
Mildly cool near 62°F 17°C, sunny throughout the day, with lower humidity and steady pressure.

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Weather by the Numbers

Wed, 23rd
Foster Lake IL Weather - Wednesday, Sep 23, 2026 - Cloudy
Hi: 71°F 22°C
Lo: 55°F 13°C
Sunrise 06:49 AM
Sunset 06:56 PM
Wind NNE 9 mph14 km/h
Dew Point 53°F12°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 12% *
Humidity 65%
Thu, 24th
Foster Lake IL Weather - Thursday, Sep 24, 2026 - Partly Cloudy
Hi: 76°F 24°C
Lo: 56°F 13°C
Sunrise 06:50 AM
Sunset 06:54 PM
Wind ENE 7 mph11 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 7% *
Humidity 56%
Fri, 25th
Foster Lake IL Weather - Friday, Sep 25, 2026 - Overcast
Hi: 71°F 21°C
Lo: 61°F 16°C
Sunrise 06:51 AM
Sunset 06:52 PM
Wind E 8 mph12 km/h
Dew Point 57°F14°C
uv Index 1
Barometric Pressure 30.21 in1023 mb
POP 15% *
Humidity 62%
Sat, 26th
Foster Lake IL Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 65°F 18°C
Lo: 59°F 15°C
Sunrise 06:52 AM
Sunset 06:51 PM
Wind SSE 5 mph8 km/h
Dew Point 45°F7°C
uv Index 1
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 52%
Sun, 27th
Foster Lake IL Weather - Sunday, Sep 27, 2026 - Overcast
Hi: 75°F 24°C
Lo: 56°F 13°C
Sunrise 06:53 AM
Sunset 06:49 PM
Wind ESE 7 mph11 km/h
Dew Point 42°F6°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 36%
Mon, 28th
Foster Lake IL Weather - Monday, Sep 28, 2026 - Overcast
Hi: 78°F 26°C
Lo: 56°F 13°C
Sunrise 06:54 AM
Sunset 06:47 PM
Wind SSE 8 mph12 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 41%
Tue, 29th
Foster Lake IL Weather - Tuesday, Sep 29, 2026 - Light Rain Shower
Hi: 68°F 20°C
Lo: 60°F 16°C
Sunrise 06:55 AM
Sunset 06:46 PM
Wind SSE 13 mph20 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.77 in1008 mb
POP 78% *
Humidity 92%
Wed, 30th
Foster Lake IL Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 67°F 20°C
Lo: 54°F 12°C
Sunrise 06:56 AM
Sunset 06:44 PM
Wind NW 19 mph31 km/h
Dew Point 46°F8°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 14% *
Humidity 67%
Thu, 1st
Foster Lake IL Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:57 AM
Sunset 06:43 PM
Wind W 6 mph9 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 44%
Fri, 2nd
Foster Lake IL Weather - Friday, Oct 2, 2026 - Overcast
Hi: 72°F 22°C
Lo: 54°F 12°C
Sunrise 06:57 AM
Sunset 06:41 PM
Wind SSE 10 mph15 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 10% *
Humidity 42%
Sat, 3rd
Foster Lake IL Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 73°F 23°C
Lo: 55°F 13°C
Sunrise 06:58 AM
Sunset 06:39 PM
Wind N 7 mph12 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 46%
Sun, 4th
Foster Lake IL Weather - Sunday, Oct 4, 2026 - Cloudy
Hi: 63°F 17°C
Lo: 46°F 8°C
Sunrise 06:59 AM
Sunset 06:38 PM
Wind N 13 mph21 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 51%
Mon, 5th
Foster Lake IL Weather - Monday, Oct 5, 2026 - Overcast
Hi: 59°F 15°C
Lo: 46°F 8°C
Sunrise 07:00 AM
Sunset 06:36 PM
Wind ESE 13 mph21 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 11% *
Humidity 71%
Tue, 6th
Foster Lake IL Weather - Tuesday, Oct 6, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 43°F 6°C
Sunrise 07:01 AM
Sunset 06:35 PM
Wind NNW 4 mph6 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 42%
* POP = Probability of Precipitation. Data for 12:00 PM.