Weather Tomorrow

Weather Tomorrow in San Bernardino, CA

Heat AdvisoryUntil Jul 9, 1:30 PM

Heat Advisory issued July 8 at 8:56PM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Thursday, July 9, 2026

102°Low 67°FColdHot
Clear

Precip chance

0%

Wind

0-10 mph

Humidity

38%

Feels like

100–69°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

67°Temperature trend102°
TimeTempConditionRain %Wind
7 AM76°FClear
0%
0 mph
8 AM74°FClear
0%
0 mph
9 AM72°FMostly Clear
0%
0 mph
10 AM70°FMostly Clear
0%
0 mph
11 AM68°FMostly Clear
0%
0 mph
12 PM67°FMostly Clear
0%
0 mph
1 PM67°FSunny
0%
0 mph
2 PM68°FSunny
0%
0 mph
3 PM72°FSunny
0%
0 mph
4 PM78°FSunny
0%
0 mph
5 PM84°FSunny
0%
0 mph
6 PM89°FSunny
0%
5 mph SW
7 PM94°FSunny
0%
5 mph SW
8 PM98°FSunny
0%
5 mph SW
9 PM101°FSunny
0%
10 mph SW
10 PM101°FSunny
0%
10 mph SW
11 PM102°FSunny
0%
10 mph W
12 AM100°FSunny
0%
10 mph W
1 AM98°FClear
0%
10 mph W
2 AM95°FClear
0%
5 mph SW
3 AM89°FClear
0%
5 mph SW
4 AM85°FClear
0%
5 mph SW
5 AM82°FClear
0%
5 mph SW
6 AM78°FMostly Clear
0%
5 mph S

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Extreme heat — stay cool and protected

Clothing

  • Lightest possible clothing
  • Wide-brim hat
  • UV-protective shirt if outdoors

Footwear

Breathable sandals

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 102°F

Low: 67°F

Wind: 0-10 mph

Rain: 0%

Big temperature swing (67°F to 102°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

2 PM – 3 PM98

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

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Frequently Asked Questions

What is the weather forecast for tomorrow in San Bernardino, CA?
Tomorrow in San Bernardino: High of 102°F, Low of 67°F. Clear with 0% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in San Bernardino?
No significant precipitation expected tomorrow.
What should I wear tomorrow in San Bernardino?
With a high of 102°F and low of 67°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.