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After a soggy & chilly weekend, drier & warmer conditions will return to the Northeast later Monday. Details. Chevron right

Grimes, IA

64°F
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Grimes

Iowa

64°
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Grimes, IA Weather
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Chevron right

3 AM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Showers

WindS 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity77%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling10000 ft

4 AM

61°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 37%
Chevron down
Mostly clear

WindS 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity78%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

60°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Mostly clear

WindS 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity80%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Mostly sunny

RealFeel Shade™57°

WindS 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts12 mph

Humidity83%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 10%
Chevron down
Mostly sunny

RealFeel Shade™59°

WindS 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts13 mph

Humidity79%

Indoor Humidity62% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

65°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™63°

WindS 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts15 mph

Humidity72%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

68°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™65°

WindS 10 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts16 mph

Humidity66%

Indoor Humidity66% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

72°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™68°

WindS 13 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts17 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindS 14 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts20 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™74°

WindS 14 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts22 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

80°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindS 15 mph

Air QualityFair

Max UV Index10.0 (Very High)

Wind Gusts25 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

81°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

Heat Index81°

WindS 15 mph

Air QualityPoor

Max UV Index9.1 (Very High)

Wind Gusts25 mph

Humidity42%

Indoor Humidity42% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

82°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

Heat Index81°

WindS 15 mph

Air QualityPoor

Max UV Index7.0 (High)

Wind Gusts25 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

83°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

Heat Index82°

WindS 15 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts24 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

Heat Index81°

WindS 14 mph

Air QualityPoor

Max UV Index3.3 (Moderate)

Wind Gusts23 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

Heat Index81°

WindS 13 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts22 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindS 12 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts21 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

77°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™74°

WindS 10 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts17 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Grimes

AccuWeather's hourly forecast for Grimes provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 61° with a RealFeel® of 58°, showers with a 40% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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