Cities / United States / Illinois

27°

☁️ Saint Mary weather

Overcast. .

Feels like 27° Wind 15 km/h S Humidity 56% Pressure 1018 hPa UV 5 Air Good 06:28 - 19:40

Right now it is 27° in Saint Mary with overcast skies and today's high is 31° with an overnight low of 16°. The sun rises at 06:28 and sets at 19:40, giving 13h 12m of daylight. Over the coming week highs range from 35° to 41°.

Saint Mary is in Illinois, United States, sitting 174 m above sea level. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

21° 26° 31° 31° 21° 10:00 · 24.7° · 0 mm 11:00 · 26.9° · 0 mm 12:00 · 28.2° · 0 mm 13:00 · 29.6° · 0 mm 14:00 · 30.4° · 0 mm 15:00 · 30.6° · 0 mm 16:00 · 30.4° · 0 mm 17:00 · 30.8° · 0 mm 18:00 · 29.8° · 0 mm 19:00 · 28° · 0 mm 20:00 · 25.9° · 0 mm 21:00 · 24.6° · 0 mm 22:00 · 23.6° · 0 mm 23:00 · 22.9° · 0 mm 00:00 · 22.8° · 0 mm 01:00 · 22.4° · 0 mm 02:00 · 22.1° · 0 mm 03:00 · 21.6° · 0 mm 04:00 · 21.6° · 0 mm 05:00 · 21.2° · 0 mm 06:00 · 21.6° · 0 mm 07:00 · 21.6° · 0 mm 08:00 · 23° · 0 mm 09:00 · 26.8° · 0 mm

Precipitation

10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
10:00 ☁️ 24.7° 25° - Overcast
11:00 ☁️ 26.9° 26.1° - Overcast
12:00 ☁️ 28.2° 26.7° - Overcast
13:00 ☁️ 29.6° 27.8° - Overcast
14:00 ☁️ 30.4° 28.5° - Overcast
15:00 ☁️ 30.6° 28.8° - Overcast
16:00 ☁️ 30.4° 28° - Overcast
17:00 ☁️ 30.8° 28.7° - Overcast
18:00 ☁️ 29.8° 27.9° - Overcast
19:00 ☀️ 28° 27.5° - Clear sky
20:00 ☀️ 25.9° 24.4° - Clear sky
21:00 ☀️ 24.6° 23° - Clear sky

Next 16 days

☁️ TodayAugust 29th Avg 23° Low 16° at 06:00 High 31° at 17:00 Feels 28° Wind ~19 km/h
Clear Cloudy Clear
00:00 18°
02:00 17°
04:00 16°
06:00 16°
08:00 19°
10:00 25°
12:00 28°
14:00 30°
16:00 30°
18:00 30°
20:00 26°
22:00 24°
☁️ SundayAugust 30th Avg 28° Low 21° at 05:00 High 36° at 16:00 Wind ~22 km/h
Cloudy
00:00 23°
02:00 22°
04:00 22°
06:00 22°
08:00 23°
10:00 29°
12:00 33°
14:00 35°
16:00 36°
18:00 33°
20:00 31°
22:00 28°
☁️ MondayAugust 31st Avg 31° Low 24° at 06:00 High 40° at 15:00 Wind ~24 km/h
Cloudy Cloudy
00:00 26°
02:00 24°
04:00 25°
06:00 24°
08:00 25°
10:00 30°
12:00 36°
14:00 39°
16:00 40°
18:00 35°
20:00 33°
22:00 34°
☁️ TuesdaySeptember 1st Avg 33° Low 26° at 08:00 High 41° at 15:00 Wind ~25 km/h
Cloudy Clear
00:00 32°
02:00 31°
04:00 29°
06:00 28°
08:00 26°
10:00 32°
12:00 37°
14:00 40°
16:00 41°
18:00 36°
20:00 32°
22:00 34°
☀️ WednesdaySeptember 2nd Avg 33° Low 27° at 23:00 High 41° at 16:00 Wind ~25 km/h
Clear Cloudy Clear
00:00 32°
02:00 31°
04:00 30°
06:00 29°
08:00 27°
10:00 33°
12:00 38°
14:00 40°
16:00 41°
18:00 36°
20:00 32°
22:00 28°
🌦️ ThursdaySeptember 3rd Avg 29° Low 23° at 06:00 High 38° at 14:00 2.7 mm rain Wind ~20 km/h
Clear Rain
00:00 26°
02:00 25°
04:00 24°
06:00 23°
08:00 25°
10:00 30°
12:00 35°
14:00 38°
16:00 37°
18:00 34°
20:00 30° 0.9mm
22:00 25° 0.9mm
☁️ FridaySeptember 4th Avg 29° Low 24° at 06:00 High 35° at 16:00 0.1 mm rain Wind ~22 km/h
Clear Clear Cloudy
00:00 25°
02:00 25°
04:00 24°
06:00 24°
08:00 27°
10:00 32°
12:00 33°
14:00 34°
16:00 35°
18:00 32°
20:00 30°
22:00 28°
🌦️ SaturdaySeptember 5th Avg 29° Low 23° at 06:00 High 38° at 15:00 1.4 mm rain Feels 40° Wind ~31 km/h
Partly Cloudy Clear Cloudy Rain Partly Cloudy
00:00 26° 0.1mm
02:00 25°
04:00 25°
06:00 23°
08:00 26°
10:00 31°
12:00 35°
14:00 38°
16:00 38°
18:00 29° 0.4mm
20:00 24°
22:00 25°
☀️ SundaySeptember 6th Avg 32° Low 24° at 06:00 High 41° at 15:00 Wind ~21 km/h
Clear
00:00 26°
02:00 26°
04:00 26°
06:00 24°
08:00 27°
10:00 32°
12:00 37°
14:00 41°
16:00 41°
18:00 37°
20:00 33°
22:00 32°
☀️ MondaySeptember 7th Avg 34° Low 27° at 06:00 High 41° at 15:00 0.3 mm rain Feels 38° Wind ~31 km/h
Rain Clear
00:00 32°
02:00 31° 0.1mm
04:00 29° 0.1mm
06:00 27°
08:00 29°
10:00 34°
12:00 38°
14:00 41°
16:00 41°
18:00 38°
20:00 35°
22:00 34°
🌧️ TuesdaySeptember 8th Avg 31° Low 23° at 23:00 High 40° at 15:00 8 mm rain Feels 37° Wind ~29 km/h
Clear Rain
00:00 33°
02:00 31°
04:00 30°
06:00 29°
08:00 29°
10:00 32°
12:00 36°
14:00 39°
16:00 39°
18:00 29° 0.5mm
20:00 23° 1.3mm
22:00 23° 1.3mm
🌧️ WednesdaySeptember 9th Avg 22° Low 19° at 23:00 High 27° at 16:00 9.4 mm rain Wind ~22 km/h
Rain Cloudy Partly Cloudy Clear
00:00 22° 2.6mm
02:00 22° 1mm
04:00 22° 1mm
06:00 21° 0.4mm
08:00 21°
10:00 22°
12:00 23°
14:00 25°
16:00 27°
18:00 24°
20:00 21°
22:00 19°
☀️ ThursdaySeptember 10th Avg 20° Low 14° at 06:00 High 27° at 15:00 Feels 24° Wind ~14 km/h
Clear
00:00 18°
02:00 17°
04:00 16°
06:00 14°
08:00 16°
10:00 22°
12:00 25°
14:00 26°
16:00 26°
18:00 23°
20:00 20°
22:00 17°
☀️ FridaySeptember 11th Avg 22° Low 13° at 06:00 High 32° at 15:00 Feels 28° Wind ~17 km/h
Clear
00:00 16°
02:00 15°
04:00 15°
06:00 13°
08:00 16°
10:00 23°
12:00 27°
14:00 31°
16:00 32°
18:00 27°
20:00 24°
22:00 23°
☀️ SaturdaySeptember 12th Avg 23° Low 16° at 06:00 High 30° at 15:00 Wind ~16 km/h
Clear Partly Cloudy Clear
00:00 22°
02:00 20°
04:00 18°
06:00 16°
08:00 18°
10:00 24°
12:00 27°
14:00 30°
16:00 30°
18:00 26°
20:00 22°
22:00 20°
☀️ SundaySeptember 13th Avg 25° Low 15° at 06:00 High 37° at 15:00 Feels 32° Wind ~20 km/h
Clear
00:00 18°
02:00 17°
04:00 17°
06:00 15°
08:00 18°
10:00 25°
12:00 31°
14:00 35°
16:00 37°
18:00 32°
20:00 28°
22:00 26°

Sun

☀️ Sunrise 06:28 · Sunset 19:40

13h 12m of daylight · America/Chicago

Air quality

PM2.5 5.6 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Saint Mary

Common questions about Saint Mary weather

Will it rain in Saint Mary today?

No rain is in the forecast for Saint Mary today.

What is the temperature in Saint Mary right now?

It is 27° in Saint Mary right now. Today runs between a low of 16° and a high of 31°.

What time is sunrise and sunset in Saint Mary?

The sun rises at 06:28 and sets at 19:40 local time in Saint Mary today, giving 13h 12m of daylight.

What is the air quality in Saint Mary?

PM2.5 in Saint Mary is currently 5.6 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 Saint Mary 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 Saint Mary 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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