Weather in Grimes, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Grimes, IA
Sunday, May 17 at 1:38 AM
71
°
Overcast
Feels like
71°
Humidity
77%
Wind
10 mph
Sunrise
5:54 AM
Sunset
8:28 PM
Grimes, IA
Hour by hour · 24h
71°
8p
69°
9p
67°
10p
66°
11p
65°
12a
63°
1a
61°
2a
59°
3a
58°
4a
56°
5a
55°
6a
56°
7a
61°
8a
65°
9a
71°
10a
75°
11a
78°
12p
82°
1p
84°
2p
86°
3p
86°
4p
86°
5p
81°
6p
84°
7p
Grimes, IA
7-day forecast
- TodayMay 16Thunderstorm51%78°59°
- SundayMay 17Thunderstorm63%79°62°
- MondayMay 18Thunderstorm93%83°62°
- TuesdayMay 19Drizzle93%63°47°
- WednesdayMay 20Overcast—61°40°
- ThursdayMay 21Overcast—65°45°
- FridayMay 22Overcast11%66°54°
Grimes, IA
Next 24 hours · Mild now
Grimes, IA
Anemometer · 24h winds · from true
From · True
SSE
147° · backing 114°
Direction
SSE
147°
Sustained
10
mph
Gust
29
mph
Peak 24h
33
avg 7
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Grimes, IA
Air quality
59
AQI
Moderate
- PM 2.5
- 5.3 μg/m³
- PM 10
- 6.2 μg/m³
- NO₂
- 4.7 μg/m³
- Ozone
- 90.0 μg/m³
- UV Index
- 0.1 Low
Grimes, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:24 AM
Sunrise
5:54 AM
Daylight
14h 34m
Sunset
8:28 PM
Civil dusk
2:01 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grimes, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:58 AM
- Moonset
- 2:02 AM
- In sign
- ♉︎ Taurus
Grimes, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Grimes at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 26 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.