weathermetro
Cities / United States
/ Michigan
☁️ Alton weather
Overcast. .
Feels like 35° Wind 17 km/h SW Humidity 50% Pressure 1012 hPa UV 1 Air Good ☀ 07:07 - 20:14
⚠ Heat Advisory · Moderate Heat Advisory issued September 2 at 1:23PM EDT until September 2 at 8:00PM EDT by NWS Grand Rapids MI
Right now it is 32° in Alton with overcast skies, it feels more like 35° and today's high is 33° with an overnight low of 23° . The sun rises at 07:07 and sets at 20:14, giving 13h 07m of daylight. Over the coming week highs range from 26° to 33° .
Alton is in Michigan, United States, sitting 246 m above sea level. Local time is America/Detroit (UTC−4), and every time on this page is shown in it.
Next 24 hours - temperature
21°
27°
33°
33°
22°
14:00 · 31.8° · 0 mm
15:00 · 32.7° · 0 mm
16:00 · 32.5° · 0 mm
17:00 · 30.9° · 0 mm
18:00 · 31.4° · 0 mm
19:00 · 29.6° · 0 mm
20:00 · 27.9° · 0 mm
21:00 · 26.6° · 0 mm
22:00 · 25.8° · 0 mm
23:00 · 25.1° · 0 mm
00:00 · 24.5° · 0 mm
01:00 · 24.1° · 0 mm
02:00 · 23.6° · 0 mm
03:00 · 23.1° · 0 mm
04:00 · 22.6° · 0 mm
05:00 · 22.3° · 0 mm
06:00 · 22.1° · 0 mm
07:00 · 21.7° · 0 mm
08:00 · 22.5° · 0 mm
09:00 · 25.3° · 0 mm
10:00 · 27.8° · 0 mm
11:00 · 29.8° · 0 mm
12:00 · 31.6° · 0 mm
13:00 · 32.9° · 0 mm
Precipitation
14:00 · 0 mm
14:00
15:00 · 0 mm
16:00 · 0 mm
17:00 · 0 mm
17:00
18:00 · 0 mm
19:00 · 0 mm
20:00 · 0 mm
20:00
21:00 · 0 mm
22:00 · 0 mm
23:00 · 0 mm
23:00
00:00 · 0 mm
01:00 · 0 mm
02:00 · 0 mm
02:00
03:00 · 0 mm
04:00 · 0 mm
05:00 · 0 mm
05:00
06:00 · 0 mm
07:00 · 0 mm
08:00 · 0 mm
08:00
09:00 · 0 mm
10:00 · 0 mm
11:00 · 0 mm
11:00
12:00 · 0 mm
13:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
14:00
☁️
31.8°
33.5°
-
Overcast
15:00
☁️
32.7°
32.6°
-
Overcast
16:00
☁️
32.5°
32.7°
-
Overcast
17:00
☁️
30.9°
29.9°
-
Overcast
18:00
☁️
31.4°
32.2°
-
Overcast
19:00
☁️
29.6°
30.3°
-
Overcast
20:00
☁️
27.9°
30.2°
-
Overcast
21:00
☁️
26.6°
29.6°
-
Overcast
22:00
☀️
25.8°
28.3°
-
Clear sky
23:00
☀️
25.1°
28°
-
Clear sky
00:00
☀️
24.5°
27.7°
-
Clear sky
01:00
☀️
24.1°
26.9°
-
Clear sky
☁️
TodaySeptember 2nd
Avg 27° Low 23° at 07:00
High 33° at 15:00
Wind ~20 km/h
Clear
Clear
Clear
Cloudy
00:00
24°
02:00
24°
04:00
24°
06:00
24°
08:00
23°
10:00
28°
12:00
30°
14:00
32°
16:00
33°
18:00
31°
20:00
28°
22:00
26°
🌦️
ThursdaySeptember 3rd
Avg 26° Low 22° at 07:00
High 33° at 14:00
1.2 mm rain Wind ~29 km/h
Clear
Cloudy
00:00
25°
02:00
24°
04:00
23°
06:00
22°
08:00
23°
10:00
28°
12:00
32°
14:00
33°
0.4mm
16:00
31°
18:00
25°
0.4mm
20:00
24°
22:00
23°
🌦️
FridaySeptember 4th
Avg 25° Low 20° at 07:00
High 33° at 16:00
0.6 mm rain Feels 36° Wind ~12 km/h
Cloudy
Cloudy
Cloudy
00:00
23°
02:00
22°
04:00
21°
06:00
20°
0.03mm
08:00
21°
0.3mm
10:00
24°
12:00
29°
14:00
32°
16:00
33°
18:00
32°
20:00
27°
22:00
22°
🌦️
SaturdaySeptember 5th
Avg 21° Low 17° at 07:00
High 28° at 16:00
0.9 mm rain Wind ~23 km/h
Cloudy
Clear
00:00
21°
0.3mm
02:00
19°
04:00
18°
06:00
17°
0.5mm
08:00
17°
10:00
21°
12:00
25°
14:00
28°
16:00
28°
18:00
26°
20:00
21°
22:00
18°
☀️
SundaySeptember 6th
Avg 19° Low 12° at 06:00
High 26° at 16:00
Feels 24° Wind ~19 km/h
Clear
00:00
16°
02:00
14°
04:00
12°
06:00
12°
08:00
13°
10:00
19°
12:00
23°
14:00
25°
16:00
26°
18:00
26°
20:00
21°
22:00
18°
⛅
MondaySeptember 7th
Avg 20° Low 13° at 07:00
High 28° at 16:00
Feels 26° Wind ~14 km/h
Cloudy
Partly Cloudy
Partly Cloudy
Clear
Cloudy
00:00
16°
02:00
16°
04:00
14°
06:00
14°
08:00
14°
10:00
18°
12:00
23°
14:00
27°
16:00
28°
18:00
27°
20:00
23°
22:00
21°
🌦️
TuesdaySeptember 8th
Avg 22° Low 17° at 03:00
High 29° at 17:00
0.6 mm rain Wind ~21 km/h
Cloudy
Rain
Cloudy
00:00
19°
02:00
17°
04:00
17°
06:00
18°
08:00
19°
10:00
18°
0.2mm
12:00
20°
14:00
24°
16:00
28°
18:00
29°
20:00
27°
22:00
25°
🌧️
WednesdaySeptember 9th
Avg 25° Low 22° at 23:00
High 28° at 16:00
13.5 mm rain Wind ~21 km/h
Cloudy
Rain
Cloudy
00:00
24°
02:00
25°
04:00
23°
0.2mm
06:00
22°
4.3mm
08:00
22°
4.3mm
10:00
24°
12:00
26°
14:00
28°
16:00
28°
18:00
27°
20:00
24°
22:00
22°
☀️
ThursdaySeptember 10th
Avg 22° Low 14° at 23:00
High 27° at 15:00
Feels 24° Wind ~24 km/h
Cloudy
Clear
00:00
21°
02:00
21°
04:00
21°
06:00
21°
08:00
20°
10:00
23°
12:00
25°
14:00
27°
16:00
27°
18:00
24°
20:00
19°
22:00
16°
☁️
FridaySeptember 11th
Avg 17° Low 10° at 06:00
High 25° at 16:00
Wind ~12 km/h
Partly Cloudy
Cloudy
Partly Cloudy
Cloudy
Partly Cloudy
00:00
13°
02:00
12°
04:00
11°
06:00
10°
08:00
11°
10:00
16°
12:00
20°
14:00
24°
16:00
25°
18:00
23°
20:00
19°
22:00
17°
🌦️
SaturdaySeptember 12th
Avg 23° Low 15° at 07:00
High 36° at 16:00
1.2 mm rain Feels 34° Wind ~22 km/h
Clear
Rain
Partly Cloudy
Rain
Clear
00:00
15°
02:00
15°
04:00
16°
06:00
15°
0.3mm
08:00
15°
0.3mm
10:00
21°
12:00
27°
14:00
33°
16:00
36°
18:00
33°
0.1mm
20:00
27°
0.1mm
22:00
25°
🌦️
SundaySeptember 13th
Avg 26° Low 22° at 23:00
High 33° at 14:00
0.9 mm rain Feels 30° Wind ~31 km/h
Clear
Cloudy
Rain
00:00
25°
02:00
24°
04:00
25°
06:00
24°
08:00
24°
10:00
28°
12:00
32°
14:00
33°
16:00
31°
18:00
28°
20:00
24°
22:00
22°
0.3mm
☁️
MondaySeptember 14th
Avg 20° Low 16° at 07:00
High 24° at 14:00
Wind ~13 km/h
Cloudy
Partly Cloudy
Cloudy
00:00
21°
02:00
21°
04:00
18°
06:00
17°
08:00
16°
10:00
21°
12:00
23°
14:00
24°
16:00
23°
18:00
22°
20:00
21°
22:00
18°
☀️
TuesdaySeptember 15th
Avg 20° Low 14° at 07:00
High 28° at 15:00
Feels 24° Wind ~22 km/h
Cloudy
Clear
00:00
16°
02:00
15°
04:00
15°
06:00
15°
08:00
15°
10:00
20°
12:00
25°
14:00
28°
16:00
28°
18:00
24°
20:00
19°
22:00
17°
☀️
WednesdaySeptember 16th
Avg 19° Low 13° at 23:00
High 26° at 14:00
Feels 20° Wind ~26 km/h
Clear
Partly Cloudy
Clear
00:00
16°
02:00
15°
04:00
16°
06:00
15°
08:00
15°
10:00
20°
12:00
25°
14:00
26°
16:00
25°
18:00
22°
20:00
17°
22:00
15°
⛅
ThursdaySeptember 17th
Avg 12° Low 7° at 23:00
High 19° at 14:00
Feels 13° Wind ~31 km/h
Clear
Partly Cloudy
Clear
00:00
12°
02:00
10°
04:00
9°
06:00
9°
08:00
10°
10:00
13°
12:00
16°
14:00
19°
16:00
18°
18:00
15°
20:00
11°
22:00
8°
Sun
☀️ Sunrise 07:07 · Sunset 20:14
13h 07m of daylight · America/Detroit
Air quality
PM2.5 9.9 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Alton weather
Will it rain in Alton today?
No rain is in the forecast for Alton today.
What is the temperature in Alton right now?
It is 32° in Alton right now, though it feels closer to 35° . Today runs between a low of 23° and a high of 33° .
What time is sunrise and sunset in Alton?
The sun rises at 07:07 and sets at 20:14 local time in Alton today, giving 13h 07m of daylight.
What is the air quality in Alton?
PM2.5 in Alton is currently 9.9 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Alton forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Alton best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC