Grinnell Weather Today — Iowa, United States
Current temperature, rain chance, humidity, wind and air quality in Grinnell, plus an hourly and 3-day forecast. Updated through the day.
11:01
Sun, 20 Sep 2026
📍 Iowa, United States
Grinnell??
15
°C
Patchy rain nearby
Feels 13°C · 60°F
💧 97% Humidity
💨 ↗ 21.2 km/h NE
👁 10 km Visibility
🌧 0.04 mm Precip
☁ 100% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0.7
Low
🔵 Pressure
1014
hPa · 29.95 in
💨 Wind
21.2
km/h · Gust 36.8 km/h
↗ NE
💧 Humidity
97%
Dew point 14.9°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
15.3°
Wind chill 15.3°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:56 AM
🌇
Sunset
07:12 PM
📅 3-Day Forecast
Sunday
20 Sep 2026
Light rain shower
16°
/
14°
💧96%
🌧11.4mm
💨25
☀️UV 1.2
Monday
21 Sep 2026
Light rain shower
14°
/
11°
💧95%
🌧6.59mm
💨21
☀️UV 0.9
Tuesday
22 Sep 2026
Patchy rain nearby
12°
/
9°
💧94%
🌧1.45mm
💨17
☀️UV 0.9
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