Lake Arrowhead, IL 14 Day Weather

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Lake Arrowhead IL Weather - Overcast - 75°F
Overcast
75°F
Updated 1:52 pm
Feels Like 80°F
Humidity 55%
Wind ESE 6 mph
Barometer  30.04 in
Dew Point 58°F
Lake Arrowhead IL Weather - Overcast - 24°C
Overcast
24°C
Updated 1:52 pm
Feels Like 27°C
Humidity 55%
Wind ESE 10 km/h
Barometer  101.7 kPa
Dew Point 14°C
Lake Arrowhead, IL Weather and Current Conditionslake arrowhead il weather forecast

Lake Arrowhead, IL Weather Forecast

Lake Arrowhead Illinois WeatherLake Arrowhead, Illinois Weather Weather Forecast
14 Day API Lake Arrowhead Weather Forecast. Note: Our 7 day Lake Arrowhead 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.
Lake Arrowhead, IL Weather Forecast Dated: 152 PM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-10 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-10 - Afternoon - Cloudy
80°F 27°C
Cloudy
Early-Evening
Lake Arrowhead Weather - 2026-09-10 - Evening - Sunny
71°F 22°C
Sunny
Warm and summery near 80°F 27°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-11 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-11 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-11 - Evening - Sunny
75°F 24°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-12 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-12 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-12 - Evening - Overcast
80°F 27°C
Overcast
Quite warm around 85°F 29°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds turning from the SW to the S at 5 mph 8 km/h.

Sunday, September 13, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-13 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-13 - Afternoon - Overcast
85°F 30°C
Overcast
Early-Evening
Lake Arrowhead Weather - 2026-09-13 - Evening - Overcast
71°F 22°C
Overcast
Warm temperatures up to 85°F 30°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the ENE at 8 mph 12 km/h.

Monday, September 14, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-14 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-14 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-14 - Evening - Sunny
84°F 29°C
Sunny
Quite warm reaching 82°F 28°C, feeling like 85°F 29°C during peak afternoon, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the S to the SSE at 10 mph 17 km/h. Gusts up to 28 mph 45 km/h.

Tuesday, September 15, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-15 - Morning - Light Showers
75°F 24°C
Light Showers
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-15 - Afternoon - Scattered Showers
79°F 26°C
Scattered Showers
Early-Evening
Lake Arrowhead Weather - 2026-09-15 - Evening - Cloudy
72°F 22°C
Cloudy
Pleasant near 79°F 26°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the W to the NE at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-16 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-16 - Afternoon - Scattered Showers
61°F 16°C
Scattered Showers
Early-Evening
Lake Arrowhead Weather - 2026-09-16 - Evening - Scattered Showers
59°F 15°C
Scattered Showers
Comfortable at 61°F 16°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds blowing from the NE at 11 mph 17 km/h.

Thursday, September 17, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-17 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-17 - Afternoon - Cloudy
72°F 22°C
Cloudy
Early-Evening
Lake Arrowhead Weather - 2026-09-17 - Evening - Overcast
62°F 17°C
Overcast
Enjoyable around 72°F 22°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure rising. Winds turning from the SSW to the NNE at 6 mph 11 km/h.

Friday, September 18, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-18 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-18 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-18 - Evening - Sunny
58°F 15°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the N to the NNW at 6 mph 10 km/h.

Saturday, September 19, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-19 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-19 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-19 - Evening - Sunny
63°F 17°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WNW to the W at 5 mph 7 km/h.

Sunday, September 20, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-20 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-20 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Lake Arrowhead Weather - 2026-09-20 - Evening - Sunny
65°F 19°C
Sunny
Pleasant near 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-21 - Morning - Cloudy
61°F 16°C
Cloudy
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-21 - Afternoon - Cloudy
75°F 24°C
Cloudy
Early-Evening
Lake Arrowhead Weather - 2026-09-21 - Evening - Light Showers
70°F 21°C
Light Showers
Comfortable with temperatures reaching 75°F 24°C, dry most of the day, with showers developing late, with increasing humidity and barometric pressure falling. Winds swinging from the S to the SSW at 8 mph 13 km/h. Gusts up to 27 mph 42 km/h.

Tuesday, September 22, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-22 - Morning - Light Showers
61°F 16°C
Light Showers
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-22 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Lake Arrowhead Weather - 2026-09-22 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Enjoyable around 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the SW to the WNW at 7 mph 11 km/h.

Wednesday, September 23, 2026

Mid-Morning
Lake Arrowhead Weather - 2026-09-23 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Lake Arrowhead Weather - 2026-09-23 - Afternoon - Overcast
62°F 16°C
Overcast
Early-Evening
Lake Arrowhead Weather - 2026-09-23 - Evening - Overcast
59°F 15°C
Overcast
Mildly cool near 62°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the NNW to the WSW at 9 mph 14 km/h.

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Weather by the Numbers

Thu, 10th
Lake Arrowhead IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 80°F 27°C
Lo: 66°F 19°C
Sunrise 06:26 AM
Sunset 07:09 PM
Wind NE 4 mph6 km/h
Dew Point 61°F16°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 13% *
Humidity 55%
Fri, 11th
Lake Arrowhead IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 82°F 28°C
Lo: 65°F 18°C
Sunrise 06:27 AM
Sunset 07:07 PM
Wind SSE 5 mph8 km/h
Dew Point 48°F9°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 35%
Sat, 12th
Lake Arrowhead IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 85°F 29°C
Lo: 65°F 18°C
Sunrise 06:28 AM
Sunset 07:06 PM
Wind SW 8 mph13 km/h
Dew Point 60°F16°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 50%
Sun, 13th
Lake Arrowhead IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 86°F 30°C
Lo: 67°F 19°C
Sunrise 06:29 AM
Sunset 07:04 PM
Wind SW 6 mph10 km/h
Dew Point 60°F15°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 11% *
Humidity 46%
Mon, 14th
Lake Arrowhead IL Weather - Monday, Sep 14, 2026 - Light Rain Shower
Hi: 86°F 30°C
Lo: 67°F 19°C
Sunrise 06:30 AM
Sunset 07:02 PM
Wind ESE 6 mph10 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 73% *
Humidity 89%
Tue, 15th
Lake Arrowhead IL Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 83°F 28°C
Lo: 69°F 20°C
Sunrise 06:31 AM
Sunset 07:00 PM
Wind WNW 6 mph10 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 14% *
Humidity 67%
Wed, 16th
Lake Arrowhead IL Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 69°F 20°C
Lo: 58°F 14°C
Sunrise 06:32 AM
Sunset 06:58 PM
Wind NE 10 mph15 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 17% *
Humidity 68%
Thu, 17th
Lake Arrowhead IL Weather - Thursday, Sep 17, 2026 - Cloudy
Hi: 85°F 30°C
Lo: 61°F 16°C
Sunrise 06:33 AM
Sunset 06:57 PM
Wind SW 12 mph19 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 63%
Fri, 18th
Lake Arrowhead IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 63°F 17°C
Lo: 50°F 10°C
Sunrise 06:34 AM
Sunset 06:55 PM
Wind ESE 9 mph14 km/h
Dew Point 31°F-1°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 34%
Sat, 19th
Lake Arrowhead IL Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 67°F 19°C
Lo: 50°F 10°C
Sunrise 06:35 AM
Sunset 06:53 PM
Wind NW 6 mph10 km/h
Dew Point 29°F-2°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 0% *
Humidity 28%
Sun, 20th
Lake Arrowhead IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 70°F 21°C
Lo: 53°F 12°C
Sunrise 06:36 AM
Sunset 06:51 PM
Wind SSW 7 mph11 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 37%
Mon, 21st
Lake Arrowhead IL Weather - Monday, Sep 21, 2026 - Overcast
Hi: 76°F 25°C
Lo: 56°F 13°C
Sunrise 06:37 AM
Sunset 06:50 PM
Wind SSW 13 mph21 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 7% *
Humidity 35%
Tue, 22nd
Lake Arrowhead IL Weather - Tuesday, Sep 22, 2026 - Light Rain Shower
Hi: 70°F 21°C
Lo: 60°F 16°C
Sunrise 06:38 AM
Sunset 06:48 PM
Wind SW 7 mph12 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 63% *
Humidity 85%
Wed, 23rd
Lake Arrowhead IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 64°F 18°C
Lo: 53°F 12°C
Sunrise 06:39 AM
Sunset 06:46 PM
Wind ESE 9 mph14 km/h
Dew Point 47°F8°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 14% *
Humidity 57%
* POP = Probability of Precipitation. Data for 12:00 PM.