Today
Expect partly cloudy. Daytime high +66°, overnight low +55°. Wind gusts reach 8 mph. The day promises to be dry.
Weather in Grinnell
United States · Iowa · 41.7431, -92.7224
Today Now 11:33 AM
+61° Overcast
Hourly forecast
Today10/27
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +72° and partly cloudy, nighttime low +54°, about 5° warmer.
Week
Seven days ahead fall within +48°…+72°. Peak warmth: Wed, +72°. Coldest at night — Fri, +48°. Precipitation expected: Fri, Sat, Sun, Mon, Tue. Second half of the week is cooler.
Week vs norm
- Today 10/27 +66° +8° usually +59°
- Tomorrow 10/28 +72° +14° usually +58°
- Thu 10/29 +66° +9° usually +58°
- Fri 10/30 +57° as usual usually +57°
- Sat 10/31 +59° +2° usually +57°
- Sun 11/1 +61° +5° usually +56°
- Mon 11/2 +59° +3° usually +56°
- Tue 11/3 +55° as usual usually +55°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 27
Today is warmer than usual for this date.
- Heat record +75° 2014
- Cold record +15° 1997
- Most precipitation 0.9 in 2015
- Strongest gust 56 mph 2010
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Grinnell
Today is close to the norm for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +29° / +14° | +21° | 1.5 |
| Feb | +34° / +18° | +25° | 1.7 |
| Mar | +49° / +30° | +38° | 2.9 |
| Apr | +62° / +41° | +50° | 4.5 |
| May | +72° / +52° | +61° | 5.4 |
| Jun | +81° / +62° | +71° | 5.0 |
| Jul | +84° / +66° | +75° | 4.1 |
| Aug | +83° / +64° | +73° | 3.8 |
| Sep | +77° / +56° | +66° | 3.7 |
| Oct | +64° / +45° | +54° | 3.1 |
| Nov | +49° / +32° | +39° | 2.3 |
| Dec | +35° / +21° | +27° | 1.8 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:37 AM | 6:11 PM
Moon
6:50 PM | 9:37 AM
Moon phase
Waning gibbous 97%
Next solar eclipse
Calculating for this city…