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Annapolis IL Weather - Clear - 78°F
Clear
78°F
Updated 9:15 pm
Feels Like 87°F
Humidity 88%
Wind S 2 mph
Barometer  29.93 in
Dew Point 75°F
Annapolis IL Weather - Clear - 26°C
Clear
26°C
Updated 9:15 pm
Feels Like 31°C
Humidity 88%
Wind S 3 km/h
Barometer  101.3 kPa
Dew Point 24°C
Annapolis, IL Weather and Current Conditionsannapolis il weather forecast

Annapolis, IL Weather Forecast

Annapolis Illinois WeatherAnnapolis, Illinois Weather Weather Forecast
14 day API forecast for Annapolis, Illinois. Note. The 7-day weather forecast for Annapolis, IL 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.
Annapolis, IL Weather Forecast Dated: 915 PM Fri Sep 04 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Annapolis Weather - 2026-09-04 - Morning - Sunny
85°F 30°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-04 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-04 - Evening - Sunny
91°F 33°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 109°F 43°C, sunny throughout the day, with lower humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Annapolis Weather - 2026-09-05 - Morning - Scattered Showers
80°F 27°C
Scattered Showers
Mid-Afternoon
Annapolis Weather - 2026-09-05 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-05 - Evening - Partly Cloudy
82°F 28°C
Partly Cloudy
Hot and sweltering around 95°F 35°C (heat index 102°F 39°C), scattered downpours possible, with steady humidity and steady pressure. Winds turning from the WNW to the W at 9 mph 14 km/h.

Sunday, September 6, 2026

Mid-Morning
Annapolis Weather - 2026-09-06 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-06 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-06 - Evening - Sunny
73°F 23°C
Sunny
Quite warm around 82°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NE at 13 mph 22 km/h. Gusts up to 20 mph 31 km/h.

Monday, September 7, 2026

Mid-Morning
Annapolis Weather - 2026-09-07 - Morning - Partly Cloudy
67°F 19°C
Partly Cloudy
Mid-Afternoon
Annapolis Weather - 2026-09-07 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-07 - Evening - Sunny
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the E to the NE at 10 mph 15 km/h.

Tuesday, September 8, 2026

Mid-Morning
Annapolis Weather - 2026-09-08 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-08 - Afternoon - Sunny
94°F 34°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-08 - Evening - Sunny
88°F 31°C
Sunny
Very hot with a high of 94°F 34°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the S at 12 mph 19 km/h. Gusts up to 20 mph 33 km/h.

Wednesday, September 9, 2026

Mid-Morning
Annapolis Weather - 2026-09-09 - Morning - Overcast
82°F 28°C
Overcast
Mid-Afternoon
Annapolis Weather - 2026-09-09 - Afternoon - Sunny
98°F 36°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-09 - Evening - Sunny
82°F 28°C
Sunny
Very hot with temperatures reaching 98°F 36°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SW to the N at 13 mph 21 km/h. Gusts up to 25 mph 40 km/h.

Thursday, September 10, 2026

Mid-Morning
Annapolis Weather - 2026-09-10 - Morning - Partly Cloudy
69°F 21°C
Partly Cloudy
Mid-Afternoon
Annapolis Weather - 2026-09-10 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Annapolis Weather - 2026-09-10 - Evening - Overcast
70°F 21°C
Overcast
Balmy with temperatures reaching 80°F 27°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the N to the NNE at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Annapolis Weather - 2026-09-11 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-11 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Annapolis Weather - 2026-09-11 - Evening - Partly Cloudy
69°F 21°C
Partly Cloudy
Enjoyable around 73°F 23°C, cloudy throughout the day, with steady humidity and steady pressure. Winds switching from the NE to the E at 7 mph 11 km/h.

Saturday, September 12, 2026

Mid-Morning
Annapolis Weather - 2026-09-12 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-12 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Annapolis Weather - 2026-09-12 - Evening - Scattered Showers
79°F 26°C
Scattered Showers
Warm temperatures up to 82°F 28°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the SSE to the S at 7 mph 11 km/h.

Sunday, September 13, 2026

Mid-Morning
Annapolis Weather - 2026-09-13 - Morning - Overcast
80°F 26°C
Overcast
Mid-Afternoon
Annapolis Weather - 2026-09-13 - Afternoon - Sunny
103°F 39°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-13 - Evening - Sunny
95°F 35°C
Sunny
Sweltering heat reaching 103°F 39°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SSW to the SW at 12 mph 19 km/h. Gusts up to 24 mph 39 km/h.

Monday, September 14, 2026

Mid-Morning
Annapolis Weather - 2026-09-14 - Morning - Sunny
89°F 32°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-14 - Afternoon - Sunny
107°F 42°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-14 - Evening - Partly Cloudy
96°F 36°C
Partly Cloudy
Dangerously hot temperatures around 107°F 42°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the WSW to the SSE at 10 mph 16 km/h.

Tuesday, September 15, 2026

Mid-Morning
Annapolis Weather - 2026-09-15 - Morning - Sunny
92°F 33°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-15 - Afternoon - Sunny
107°F 41°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-15 - Evening - Sunny
96°F 36°C
Sunny
Dangerously hot with a high of 107°F 41°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the W to the WSW at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Annapolis Weather - 2026-09-16 - Morning - Sunny
91°F 33°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-16 - Afternoon - Sunny
107°F 42°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-16 - Evening - Partly Cloudy
98°F 37°C
Partly Cloudy
Scorching hot near 107°F 42°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Annapolis Weather - 2026-09-17 - Morning - Sunny
91°F 33°C
Sunny
Mid-Afternoon
Annapolis Weather - 2026-09-17 - Afternoon - Sunny
104°F 40°C
Sunny
Early-Evening
Annapolis Weather - 2026-09-17 - Evening - Partly Cloudy
91°F 33°C
Partly Cloudy
Sweltering heat reaching 104°F 40°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the ENE at 12 mph 19 km/h.

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Weather by the Numbers

Fri, 4th
Annapolis IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 99°F 37°C
Lo: 73°F 23°C
Sunrise 06:22 AM
Sunset 07:17 PM
Wind W 7 mph11 km/h
Dew Point 74°F23°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 46%
Sat, 5th
Annapolis IL Weather - Saturday, Sep 5, 2026 - Thundery Outbreaks In Nearby
Hi: 97°F 36°C
Lo: 76°F 24°C
Sunrise 06:23 AM
Sunset 07:15 PM
Wind W 4 mph7 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 9% *
Humidity 41%
Sun, 6th
Annapolis IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 82°F 28°C
Lo: 65°F 18°C
Sunrise 06:24 AM
Sunset 07:14 PM
Wind NE 12 mph19 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 50%
Mon, 7th
Annapolis IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 82°F 28°C
Lo: 59°F 15°C
Sunrise 06:25 AM
Sunset 07:12 PM
Wind ENE 10 mph15 km/h
Dew Point 55°F13°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 44%
Tue, 8th
Annapolis IL Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 94°F 34°C
Lo: 64°F 18°C
Sunrise 06:26 AM
Sunset 07:11 PM
Wind SSW 9 mph15 km/h
Dew Point 58°F14°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 35%
Wed, 9th
Annapolis IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 98°F 37°C
Lo: 71°F 22°C
Sunrise 06:27 AM
Sunset 07:09 PM
Wind WSW 17 mph28 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 36%
Thu, 10th
Annapolis IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 80°F 27°C
Lo: 62°F 17°C
Sunrise 06:28 AM
Sunset 07:07 PM
Wind NNW 11 mph18 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 10% *
Humidity 39%
Fri, 11th
Annapolis IL Weather - Friday, Sep 11, 2026 - Overcast
Hi: 74°F 23°C
Lo: 56°F 13°C
Sunrise 06:28 AM
Sunset 07:06 PM
Wind ENE 8 mph13 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 10% *
Humidity 43%
Sat, 12th
Annapolis IL Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 83°F 28°C
Lo: 58°F 15°C
Sunrise 06:29 AM
Sunset 07:04 PM
Wind S 12 mph20 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 33%
Sun, 13th
Annapolis IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 104°F 40°C
Lo: 66°F 19°C
Sunrise 06:30 AM
Sunset 07:02 PM
Wind WSW 16 mph26 km/h
Dew Point 55°F13°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 26%
Mon, 14th
Annapolis IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 108°F 42°C
Lo: 78°F 26°C
Sunrise 06:31 AM
Sunset 07:01 PM
Wind W 13 mph20 km/h
Dew Point 58°F14°C
uv Index 9
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 24%
Tue, 15th
Annapolis IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 107°F 42°C
Lo: 80°F 26°C
Sunrise 06:32 AM
Sunset 06:59 PM
Wind W 12 mph19 km/h
Dew Point 55°F13°C
uv Index 9
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 21%
Wed, 16th
Annapolis IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 107°F 42°C
Lo: 81°F 27°C
Sunrise 06:33 AM
Sunset 06:57 PM
Wind SW 3 mph5 km/h
Dew Point 56°F13°C
uv Index 9
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 22%
Thu, 17th
Annapolis IL Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 106°F 41°C
Lo: 81°F 27°C
Sunrise 06:34 AM
Sunset 06:56 PM
Wind SE 5 mph8 km/h
Dew Point 57°F14°C
uv Index 9
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 23%
* POP = Probability of Precipitation. Data for 12:00 PM.