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Alton IA Weather - Mostly Clear - 53°F
Mostly Clear
53°F
Updated 11:21 pm
Feels Like 50°F
Humidity 76%
Wind SSE 10 mph
Barometer  30.16 in
Dew Point 46°F
Alton IA Weather - Mostly Clear - 12°C
Mostly Clear
12°C
Updated 11:21 pm
Feels Like 10°C
Humidity 76%
Wind SSE 16 km/h
Barometer  102.1 kPa
Dew Point 8°C
Alton, IA Weather and Current Conditionsalton ia weather forecast

Alton, IA Weather Forecast

Alton Iowa WeatherAlton, Iowa Weather Weather Forecast
14 Day API Alton, IA Weather Forecast. Note: Our 7 day Alton, Iowa 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.
Alton, IA Weather Forecast Dated: 1121 PM Tue Oct 20 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.

Tuesday, October 20, 2026

Mid-Morning
Alton Weather - 2026-10-20 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-20 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Alton Weather - 2026-10-20 - Evening - Sunny
60°F 16°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the S at 13 mph 21 km/h.

Wednesday, October 21, 2026

Mid-Morning
Alton Weather - 2026-10-21 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-21 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Alton Weather - 2026-10-21 - Evening - Overcast
66°F 19°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Thursday, October 22, 2026

Mid-Morning
Alton Weather - 2026-10-22 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-22 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Alton Weather - 2026-10-22 - Evening - Sunny
66°F 19°C
Sunny
Enjoyable around 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the S at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.

Friday, October 23, 2026

Mid-Morning
Alton Weather - 2026-10-23 - Morning - Cloudy
62°F 16°C
Cloudy
Mid-Afternoon
Alton Weather - 2026-10-23 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Alton Weather - 2026-10-23 - Evening - Cloudy
70°F 21°C
Cloudy
Mild temperatures up to 76°F 24°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the SSE to the S at 20 mph 31 km/h. Gusts up to 37 mph 60 km/h.

Saturday, October 24, 2026

Mid-Morning
Alton Weather - 2026-10-24 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Alton Weather - 2026-10-24 - Afternoon - Scattered Showers
68°F 20°C
Scattered Showers
Early-Evening
Alton Weather - 2026-10-24 - Evening - Scattered Showers
57°F 14°C
Scattered Showers
Mild with a high of 68°F 20°C, scattered downpours possible, with increasing humidity and barometric pressure rising. Winds swinging from the S to the NW at 11 mph 17 km/h.

Sunday, October 25, 2026

Mid-Morning
Alton Weather - 2026-10-25 - Morning - Scattered Showers
48°F 9°C
Scattered Showers
Mid-Afternoon
Alton Weather - 2026-10-25 - Afternoon - Drizzle
46°F 8°C
Drizzle
Early-Evening
Alton Weather - 2026-10-25 - Evening - Drizzle
42°F 6°C
Drizzle
Cool and brisk at 46°F 8°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NE to the NNE at 12 mph 20 km/h. Gusts up to 22 mph 35 km/h.

Monday, October 26, 2026

Mid-Morning
Alton Weather - 2026-10-26 - Morning - Light Sleet
37°F 3°C
Light Sleet
Mid-Afternoon
Alton Weather - 2026-10-26 - Afternoon - Overcast
42°F 6°C
Overcast
Early-Evening
Alton Weather - 2026-10-26 - Evening - Overcast
39°F 4°C
Overcast
Nippy around 42°F 6°C, early sleet breaking for a drier afternoon, with lower humidity and steady pressure. Winds turning from the NNE to the NNW at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.

Tuesday, October 27, 2026

Mid-Morning
Alton Weather - 2026-10-27 - Morning - Sunny
34°F 1°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-27 - Afternoon - Sunny
43°F 6°C
Sunny
Early-Evening
Alton Weather - 2026-10-27 - Evening - Sunny
38°F 3°C
Sunny
Biting cold near 43°F 6°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Wednesday, October 28, 2026

Mid-Morning
Alton Weather - 2026-10-28 - Morning - Sunny
35°F 2°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-28 - Afternoon - Sunny
51°F 10°C
Sunny
Early-Evening
Alton Weather - 2026-10-28 - Evening - Cloudy
44°F 7°C
Cloudy
Brisk around 51°F 10°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the SSW to the NW at 9 mph 14 km/h.

Thursday, October 29, 2026

Mid-Morning
Alton Weather - 2026-10-29 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-29 - Afternoon - Overcast
51°F 10°C
Overcast
Early-Evening
Alton Weather - 2026-10-29 - Evening - Sunny
44°F 7°C
Sunny
Cool and brisk at 51°F 10°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure.

Friday, October 30, 2026

Mid-Morning
Alton Weather - 2026-10-30 - Morning - Sunny
40°F 5°C
Sunny
Mid-Afternoon
Alton Weather - 2026-10-30 - Afternoon - Sunny
54°F 12°C
Sunny
Early-Evening
Alton Weather - 2026-10-30 - Evening - Sunny
51°F 11°C
Sunny
Chilly near 54°F 12°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 17 mph 27 km/h. Gusts up to 35 mph 57 km/h.

Saturday, October 31, 2026

Mid-Morning
Alton Weather - 2026-10-31 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Alton Weather - 2026-10-31 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Alton Weather - 2026-10-31 - Evening - Overcast
56°F 13°C
Overcast
Cool with a high near 61°F 16°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds decreasing from S 17 mph 28 km/h to S 9 mph 14 km/h. Gusts up to 21 mph 34 km/h.

Sunday, November 1, 2026

Mid-Morning
Alton Weather - 2026-11-01 - Morning - Cloudy
53°F 11°C
Cloudy
Mid-Afternoon
Alton Weather - 2026-11-01 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Alton Weather - 2026-11-01 - Evening - Sunny
52°F 11°C
Sunny
Refreshing around 62°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds shifting from the SW to the W at 8 mph 13 km/h.

Monday, November 2, 2026

Mid-Morning
Alton Weather - 2026-11-02 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Alton Weather - 2026-11-02 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Alton Weather - 2026-11-02 - Evening - Clear
47°F 8°C
Clear
Cool and brisk at 54°F 12°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure.

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Weather by the Numbers

Tue, 20th
Alton IA Weather - Tuesday, Oct 20, 2026 - Partly Cloudy
Hi: 68°F 20°C
Lo: 47°F 8°C
Sunrise 07:44 AM
Sunset 06:33 PM
Wind SSE 12 mph19 km/h
Dew Point 41°F5°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 4% *
Humidity 46%
Wed, 21st
Alton IA Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 52°F 11°C
Sunrise 07:45 AM
Sunset 06:32 PM
Wind SSW 8 mph13 km/h
Dew Point 51°F10°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 55%
Thu, 22nd
Alton IA Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 74°F 23°C
Lo: 55°F 13°C
Sunrise 07:47 AM
Sunset 06:30 PM
Wind S 11 mph18 km/h
Dew Point 53°F11°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 55%
Fri, 23rd
Alton IA Weather - Friday, Oct 23, 2026 - Sunny
Hi: 76°F 24°C
Lo: 59°F 15°C
Sunrise 07:48 AM
Sunset 06:29 PM
Wind S 21 mph33 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 47%
Sat, 24th
Alton IA Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 71°F 22°C
Lo: 55°F 13°C
Sunrise 07:49 AM
Sunset 06:27 PM
Wind SSW 16 mph25 km/h
Dew Point 51°F11°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 12% *
Humidity 52%
Sun, 25th
Alton IA Weather - Sunday, Oct 25, 2026 - Light Drizzle
Hi: 55°F 13°C
Lo: 40°F 4°C
Sunrise 07:50 AM
Sunset 06:26 PM
Wind NE 9 mph15 km/h
Dew Point 35°F2°C
uv Index 2
Barometric Pressure 30.45 in1031 mb
POP 34% *
Humidity 64%
Mon, 26th
Alton IA Weather - Monday, Oct 26, 2026 - Patchy Rain Nearby
Hi: 42°F 6°C
Lo: 35°F 2°C
Sunrise 07:52 AM
Sunset 06:24 PM
Wind NNE 13 mph21 km/h
Dew Point 33°F0°C
uv Index 1
Barometric Pressure 30.45 in1031 mb
POP 22% *
Humidity 76%
Tue, 27th
Alton IA Weather - Tuesday, Oct 27, 2026 - Sunny
Hi: 44°F 7°C
Lo: 30°F -1°C
Sunrise 07:53 AM
Sunset 06:23 PM
Wind NNE 5 mph8 km/h
Dew Point 22°F-6°C
uv Index 2
Barometric Pressure 30.56 in1035 mb
POP 2% *
Humidity 48%
Wed, 28th
Alton IA Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 52°F 11°C
Lo: 30°F -1°C
Sunrise 07:54 AM
Sunset 06:21 PM
Wind SSW 14 mph22 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 53%
Thu, 29th
Alton IA Weather - Thursday, Oct 29, 2026 - Cloudy
Hi: 51°F 11°C
Lo: 35°F 2°C
Sunrise 07:55 AM
Sunset 06:20 PM
Wind W 6 mph9 km/h
Dew Point 25°F-4°C
uv Index 2
Barometric Pressure 30.3 in1026 mb
POP 10% *
Humidity 44%
Fri, 30th
Alton IA Weather - Friday, Oct 30, 2026 - Sunny
Hi: 55°F 13°C
Lo: 36°F 2°C
Sunrise 07:57 AM
Sunset 06:19 PM
Wind SSE 15 mph24 km/h
Dew Point 31°F-1°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 50%
Sat, 31st
Alton IA Weather - Saturday, Oct 31, 2026 - Sunny
Hi: 62°F 17°C
Lo: 48°F 9°C
Sunrise 07:58 AM
Sunset 06:17 PM
Wind SSW 16 mph26 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 29.68 in1005 mb
POP 10% *
Humidity 64%
Sun, 1st
Alton IA Weather - Sunday, Nov 1, 2026 - Sunny
Hi: 62°F 17°C
Lo: 49°F 9°C
Sunrise 07:59 AM
Sunset 06:16 PM
Wind W 7 mph12 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 4% *
Humidity 63%
Mon, 2nd
Alton IA Weather - Monday, Nov 2, 2026 - Overcast
Hi: 54°F 12°C
Lo: 44°F 6°C
Sunrise 07:00 AM
Sunset 05:15 PM
Wind N 7 mph12 km/h
Dew Point 26°F-3°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 10% *
Humidity 34%
* POP = Probability of Precipitation. Data for 12:00 PM.