Today
Mostly clear throughout the day, high +73°, low +59°. Light wind, up to 6 mph. The day promises to be dry.
Weather in Grimes
United States · Iowa · 41.6883, -93.7911
Today Now 9:35 AM
+59° Mostly clear
Hourly forecast
Today10/21
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear: daytime +73°, nighttime +54°, no noticeable change.
Week
Seven days ahead fall within +48°…+75°. Warmest day — Fri, up to +75°. Coldest night — Tue, around +48°. Precipitation expected: Tue. It cools down by the end of the week.
Week vs norm
- Today 10/21 +73° +11° usually +62°
- Tomorrow 10/22 +73° +12° usually +62°
- Fri 10/23 +75° +14° usually +61°
- Sat 10/24 +75° +14° usually +61°
- Sun 10/25 +75° +15° usually +60°
- Mon 10/26 +66° +6° usually +60°
- Tue 10/27 +59° as usual usually +59°
- Wed 10/28 +55° −3° usually +59°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 21
Today is warmer than usual for this date.
- Heat record +80° 2022
- Cold record +27° 2011
- Most precipitation 1.0 in 2019
- Strongest gust 44 mph 2017
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Grimes
Today is about 8° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +30° / +14° | +21° | 1.3 |
| Feb | +35° / +18° | +25° | 1.5 |
| Mar | +50° / +30° | +38° | 2.8 |
| Apr | +62° / +41° | +51° | 4.2 |
| May | +73° / +53° | +62° | 5.6 |
| Jun | +82° / +63° | +72° | 5.0 |
| Jul | +85° / +67° | +75° | 4.0 |
| Aug | +84° / +65° | +74° | 3.7 |
| Sep | +78° / +57° | +67° | 3.3 |
| Oct | +65° / +45° | +54° | 2.9 |
| Nov | +49° / +32° | +40° | 2.1 |
| Dec | +36° / +21° | +27° | 1.7 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:34 AM | 6:24 PM
Moon
4:12 PM | 2:28 AM
Moon phase
Waxing gibbous 78%
Next solar eclipse
Calculating for this city…