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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

San Bernardino, CA

61°F
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San Bernardino

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San Bernardino, CA Weather
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Chevron right

March 20 - April 18

Fri 3/20

100° /65°
0%
Very hot with the temperature breaking the record high of 96 set in 2004 with blazing sunshine; caution advised if outside for extended periods of time
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

RealFeel®103°

RealFeel Shade™97°

Max UV Index6.0 (High)

WindWNW 6 mph

Sat 3/21

95° /66°
0%
Partly sunny and hot with the temperature approaching the record high of 96 set in 1931; check on groups more sensitive to extreme heat

RealFeel®97°

RealFeel Shade™92°

Max UV Index7.0 (High)

WindSW 7 mph

Sun 3/22

89° /65°
0%
Very warm with plenty of sunshine

RealFeel®91°

RealFeel Shade™86°

Max UV Index7.0 (High)

WindSSW 6 mph

Mon 3/23

94° /67°
1%
Sunny and hot with the temperature breaking the record high of 88 set in 2022; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®97°

RealFeel Shade™91°

Max UV Index7.0 (High)

WindWSW 5 mph

Tue 3/24

96° /68°
2%
Hot with the temperature breaking the record high of 91 set in 2025 with sunshine; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®101°

RealFeel Shade™93°

Max UV Index7.0 (High)

WindSW 5 mph

Wed 3/25

95° /68°
3%
Hot with the temperature breaking the record high of 92 set in 1930 with plenty of sun

RealFeel®99°

RealFeel Shade™92°

Max UV Index7.0 (High)

WindWSW 5 mph

Thu 3/26

91° /67°
2%
Partly sunny and very warm

RealFeel®94°

RealFeel Shade™88°

Max UV Index7.0 (High)

WindSSW 6 mph

Fri 3/27

94° /69°
0%
Hazy sun and hot

RealFeel®95°

RealFeel Shade™91°

Max UV Index7.0 (High)

WindSSW 6 mph

Sat 3/28

92° /64°
0%
Hot with sun through high clouds

RealFeel®91°

RealFeel Shade™91°

Max UV Index3.0 (Moderate)

WindWSW 5 mph

Sun 3/29

89° /60°
0%
Mostly sunny and very warm

RealFeel®89°

RealFeel Shade™86°

Max UV Index7.0 (High)

WindSW 6 mph

Mon 3/30

84° /60°
0%
Very warm with plenty of sunshine

RealFeel®88°

RealFeel Shade™81°

Max UV Index7.0 (High)

WindW 5 mph

Tue 3/31

83° /60°
0%
Remaining warm with plenty of sunshine

RealFeel®86°

RealFeel Shade™81°

Max UV Index8.0 (Very High)

WindWSW 4 mph

Wed 4/1

80° /57°
0%
Brilliant sunshine

RealFeel®85°

RealFeel Shade™78°

Max UV Index8.0 (Very High)

WindSW 4 mph

Thu 4/2

72° /43°
20%
Plenty of sunshine

RealFeel®81°

RealFeel Shade™70°

Max UV Index8.0 (Very High)

WindNE 5 mph

Fri 4/3

73° /44°
20%
Plenty of sunshine

RealFeel®79°

RealFeel Shade™72°

Max UV Index8.0 (Very High)

WindE 2 mph

Sat 4/4

76° /48°
5%
Plenty of sun

RealFeel®82°

RealFeel Shade™75°

Max UV Index8.0 (Very High)

WindSSE 1 mph

Sun 4/5

74° /45°
20%
Sunshine and a few clouds

RealFeel®81°

RealFeel Shade™72°

Max UV Index8.0 (Very High)

WindSSW 2 mph

Mon 4/6

69° /42°
57%
A little morning rain; otherwise, mostly cloudy

RealFeel®72°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Tue 4/7

67° /42°
20%
Partly sunny

RealFeel®74°

RealFeel Shade™66°

Max UV Index5.0 (Moderate)

WindS 1 mph

Wed 4/8

68° /43°
25%
After a cloudy start, sun returns

RealFeel®78°

RealFeel Shade™67°

Max UV Index8.0 (Very High)

WindNW 1 mph

Thu 4/9

69° /43°
25%
Sun and clouds

RealFeel®70°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindNNW 1 mph

Fri 4/10

70° /44°
25%
After a cloudy start, sunshine returns

RealFeel®80°

RealFeel Shade™69°

Max UV Index9.0 (Very High)

WindSE 1 mph

Sat 4/11

72° /44°
25%
Times of sun and clouds

RealFeel®75°

RealFeel Shade™71°

Max UV Index6.0 (High)

WindSSE 1 mph

Sun 4/12

73° /46°
10%
Mostly sunny

RealFeel®80°

RealFeel Shade™72°

Max UV Index9.0 (Very High)

WindSSW 1 mph

Mon 4/13

72° /45°
20%
Brilliant sunshine

RealFeel®80°

RealFeel Shade™71°

Max UV Index9.0 (Very High)

WindWSW 1 mph

Tue 4/14

72° /45°
20%
Sunshine and a few clouds

RealFeel®80°

RealFeel Shade™71°

Max UV Index9.0 (Very High)

WindW 1 mph

Wed 4/15

73° /47°
25%
Sun giving way to increasing clouds

RealFeel®74°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindSW 1 mph

Thu 4/16

74° /49°
25%
Cloudy

RealFeel®75°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindW 1 mph

Fri 4/17

77° /50°
25%
Sun followed by increasing clouds

RealFeel®78°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindSW 2 mph

Sat 4/18

74° /49°
25%
Times of clouds and sun

RealFeel®76°

RealFeel Shade™73°

Max UV Index4.0 (Moderate)

WindSW 1 mph

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