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San Dimas, CA

68°F
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San Dimas, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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7 AM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™71°

WindWSW 2 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts2 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™74°

WindSW 1 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts2 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

81°
RealFeel® 85°
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
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™79°

Heat Index81°

WindSW 2 mph

Air QualityPoor

Max UV Index3.1 (Moderate)

Wind Gusts4 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

85°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™83°

Heat Index84°

WindSW 4 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts5 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

88°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™86°

Heat Index88°

WindSW 6 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts7 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

92°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™90°

Heat Index91°

WindSW 6 mph

Air QualityUnhealthy

Max UV Index9.9 (Very High)

Wind Gusts7 mph

Humidity32%

Indoor Humidity32% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

95°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™92°

Heat Index94°

WindWSW 7 mph

Air QualityUnhealthy

Max UV Index11.1 (Extreme)

Wind Gusts9 mph

Humidity29%

Indoor Humidity29% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

97°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™94°

Heat Index96°

WindWSW 8 mph

Air QualityPoor

Max UV Index9.9 (Very High)

Wind Gusts13 mph

Humidity27%

Indoor Humidity27% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

99°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™96°

Heat Index98°

WindWSW 9 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts14 mph

Humidity25%

Indoor Humidity25% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

100°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™97°

Heat Index98°

WindWSW 9 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts16 mph

Humidity24%

Indoor Humidity24% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

98°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™95°

Heat Index97°

WindWSW 9 mph

Air QualityPoor

Max UV Index3.1 (Moderate)

Wind Gusts17 mph

Humidity24%

Indoor Humidity24% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

96°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™93°

Heat Index95°

WindWSW 9 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts15 mph

Humidity26%

Indoor Humidity26% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

93°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

RealFeel Shade™91°

Heat Index92°

WindWSW 8 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts13 mph

Humidity30%

Indoor Humidity30% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

90°
RealFeel® 87°
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
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index89°

WindW 8 mph

Air QualityPoor

Wind Gusts10 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

87°
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
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index86°

WindW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

84°
RealFeel® 82°
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
Clear
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index84°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Sunday
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Sunday
alerts

Air Quality Alert

4:02 PM Thursday - 8:00 PM Sunday

Heat Index82°

WindW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for San Dimas

AccuWeather's hourly forecast for San Dimas provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 70° with a RealFeel® of 71°, mostly sunny with a 0% 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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