Cities / United States / Illinois

20°

☀️ Grinnell weather

Clear sky. .

Feels like 21° Wind 8 km/h E Humidity 76% Pressure 1017 hPa UV 7 Air Fair 06:19 - 19:35

Right now it is 20° in Grinnell with clear skies and today's high is 28° with an overnight low of 15°. The sun rises at 06:19 and sets at 19:35, giving 13h 16m of daylight. Over the coming week highs range from 29° to 38°.

Grinnell is in Illinois, United States, sitting 123 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

18° 23° 28° 28° 19° 09:00 · 19.8° · 0 mm 10:00 · 22° · 0 mm 11:00 · 23.8° · 0 mm 12:00 · 25.1° · 0 mm 13:00 · 26.1° · 0 mm 14:00 · 27° · 0 mm 15:00 · 27.4° · 0 mm 16:00 · 27.7° · 0 mm 17:00 · 27.7° · 0 mm 18:00 · 26.7° · 0 mm 19:00 · 25.1° · 0 mm 20:00 · 23.4° · 0 mm 21:00 · 22.4° · 0 mm 22:00 · 21.5° · 0 mm 23:00 · 21.2° · 0 mm 00:00 · 20.5° · 0 mm 01:00 · 19.9° · 0 mm 02:00 · 19.5° · 0 mm 03:00 · 19.4° · 0 mm 04:00 · 19.3° · 0 mm 05:00 · 18.7° · 0 mm 06:00 · 18.5° · 0 mm 07:00 · 19° · 0 mm 08:00 · 20.4° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
09:00 ☀️ 19.8° 20.1° - Clear sky
10:00 ☀️ 22° 22.7° - Clear sky
11:00 ☁️ 23.8° 24.7° - Overcast
12:00 🌤️ 25.1° 26.4° - Mostly clear
13:00 ☀️ 26.1° 27.7° - Clear sky
14:00 ☀️ 27° 29° - Clear sky
15:00 ☀️ 27.4° 29° - Clear sky
16:00 ☀️ 27.7° 29.2° - Clear sky
17:00 ☀️ 27.7° 29.2° - Clear sky
18:00 ☁️ 26.7° 28.1° - Overcast
19:00 ☁️ 25.1° 26.5° - Overcast
20:00 ☁️ 23.4° 24.6° - Overcast

Next 16 days

☀️ TodayAugust 24th Avg 22° Low 15° at 06:00 High 28° at 16:00 Wind ~9 km/h
Clear Clear Cloudy
00:00 18°
02:00 17°
04:00 17°
06:00 15°
08:00 17°
10:00 22°
12:00 25°
14:00 27°
16:00 28°
18:00 27°
20:00 23°
22:00 22°
TuesdayAugust 25th Avg 24° Low 19° at 06:00 High 29° at 15:00 Wind ~11 km/h
Clear Clear
00:00 21°
02:00 20°
04:00 19°
06:00 19°
08:00 20°
10:00 25°
12:00 28°
14:00 29°
16:00 29°
18:00 28°
20:00 25°
22:00 23°
🌧️ WednesdayAugust 26th Avg 26° Low 20° at 06:00 High 34° at 16:00 2.9 mm rain Feels 36° Wind ~17 km/h
Cloudy Cloudy Cloudy Clear Rain
00:00 22°
02:00 21°
04:00 20°
06:00 20°
08:00 23°
10:00 28°
12:00 30°
14:00 33°
16:00 34°
18:00 32°
20:00 26°
22:00 22° 0.8mm
🌧️ ThursdayAugust 27th Avg 25° Low 19° at 05:00 High 34° at 14:00 2.6 mm rain Wind ~20 km/h
Rain Clear Cloudy
00:00 20°
02:00 20°
04:00 19° 0.9mm
06:00 19° 0.4mm
08:00 22°
10:00 26°
12:00 31°
14:00 34°
16:00 31°
18:00 31°
20:00 25°
22:00 23°
☀️ FridayAugust 28th Avg 25° Low 18° at 06:00 High 33° at 15:00 Wind ~13 km/h
Clear
00:00 22°
02:00 20°
04:00 19°
06:00 18°
08:00 22°
10:00 27°
12:00 31°
14:00 33°
16:00 33°
18:00 31°
20:00 24°
22:00 22°
☀️ SaturdayAugust 29th Avg 26° Low 18° at 06:00 High 35° at 15:00 Feels 33° Wind ~14 km/h
Cloudy Partly Cloudy Clear Partly Cloudy
00:00 21°
02:00 19°
04:00 19°
06:00 18°
08:00 21°
10:00 28°
12:00 32°
14:00 35°
16:00 35°
18:00 31°
20:00 28°
22:00 25°
☀️ SundayAugust 30th Avg 29° Low 23° at 06:00 High 38° at 15:00 Feels 35° Wind ~23 km/h
Cloudy Clear
00:00 24°
02:00 23°
04:00 23°
06:00 23°
08:00 25°
10:00 31°
12:00 35°
14:00 37°
16:00 37°
18:00 34°
20:00 30°
22:00 27°
🌤️ MondayAugust 31st Avg 31° Low 24° at 07:00 High 38° at 15:00 Feels 35° Wind ~26 km/h
Clear Partly Cloudy Clear Clear
00:00 28°
02:00 28°
04:00 27°
06:00 24°
08:00 26°
10:00 31°
12:00 35°
14:00 37°
16:00 38°
18:00 35°
20:00 32°
22:00 30°
🌦️ TuesdaySeptember 1st Avg 29° Low 22° at 23:00 High 38° at 13:00 2.7 mm rain Feels 36° Wind ~26 km/h
Clear Partly Cloudy Rain
00:00 30°
02:00 30°
04:00 29°
06:00 27°
08:00 28°
10:00 32°
12:00 37°
14:00 36° 0.2mm
16:00 30° 0.2mm
18:00 26° 0.7mm
20:00 23°
22:00 23°
☀️ WednesdaySeptember 2nd Avg 28° Low 21° at 06:00 High 38° at 15:00 Feels 35° Wind ~25 km/h
Clear
00:00 22°
02:00 21°
04:00 21°
06:00 21°
08:00 24°
10:00 30°
12:00 35°
14:00 38°
16:00 38°
18:00 33°
20:00 28°
22:00 24°
☁️ ThursdaySeptember 3rd Avg 22° Low 16° at 05:00 High 29° at 15:00 Feels 27° Wind ~20 km/h
Clear Cloudy Partly Cloudy
00:00 21°
02:00 18°
04:00 16°
06:00 16°
08:00 19°
10:00 23°
12:00 27°
14:00 29°
16:00 29°
18:00 26°
20:00 23°
22:00 22°
☀️ FridaySeptember 4th Avg 22° Low 13° at 06:00 High 30° at 15:00 Feels 27° Wind ~19 km/h
Partly Cloudy Clear
00:00 19°
02:00 17°
04:00 15°
06:00 13°
08:00 16°
10:00 23°
12:00 27°
14:00 30°
16:00 30°
18:00 27°
20:00 24°
22:00 21°
SaturdaySeptember 5th Avg 23° Low 16° at 06:00 High 32° at 15:00 Feels 30° Wind ~14 km/h
Clear Cloudy Clear Partly Cloudy Cloudy
00:00 19°
02:00 17°
04:00 16°
06:00 16°
08:00 19°
10:00 26°
12:00 30°
14:00 32°
16:00 32°
18:00 29°
20:00 25°
22:00 21°
☀️ SundaySeptember 6th Avg 25° Low 17° at 06:00 High 34° at 15:00 Wind ~13 km/h
Cloudy Clear
00:00 20°
02:00 19°
04:00 18°
06:00 17°
08:00 20°
10:00 28°
12:00 32°
14:00 34°
16:00 34°
18:00 31°
20:00 27°
22:00 24°
🌦️ MondaySeptember 7th Avg 27° Low 21° at 06:00 High 38° at 15:00 0.2 mm rain Wind ~22 km/h
Clear Cloudy
00:00 22°
02:00 21°
04:00 22°
06:00 21°
08:00 23°
10:00 29°
12:00 34°
14:00 37°
16:00 38°
18:00 30°
20:00 25°
22:00 24°
🌧️ TuesdaySeptember 8th Avg 22° Low 19° at 23:00 High 23° at 00:00 26.8 mm rain Feels 25° Wind ~26 km/h
Cloudy Rain Cloudy Partly Cloudy
00:00 23° 0.2mm
02:00 23°
04:00 22°
06:00 22° 1mm
08:00 22° 4mm
10:00 20° 4mm
12:00 21° 3.6mm
14:00 22° 0.2mm
16:00 23° 0.2mm
18:00 22°
20:00 21°
22:00 20°

Sun

☀️ Sunrise 06:19 · Sunset 19:35

13h 16m of daylight · America/Chicago

Air quality

PM2.5 10.3 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Grinnell

Common questions about Grinnell weather

Will it rain in Grinnell today?

No rain is in the forecast for Grinnell today.

What is the temperature in Grinnell right now?

It is 20° in Grinnell right now. Today runs between a low of 15° and a high of 28°.

What time is sunrise and sunset in Grinnell?

The sun rises at 06:19 and sets at 19:35 local time in Grinnell today, giving 13h 16m of daylight.

What is the air quality in Grinnell?

PM2.5 in Grinnell is currently 10.3 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the Grinnell 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 Grinnell 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.

This page is a live API demo.

Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.

Read the docs