Weather Tomorrow

Weather Tomorrow in Pomona, CA

Extreme Heat WarningUntil Sep 11, 3:00 AM

Extreme Heat Warning issued September 9 at 8:09AM PDT until September 10 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.

Friday, September 11, 2026

91°Low 75°FColdHot
Clear

Precip chance

2%

Wind

0-10 mph

Humidity

69%

Feels like

89–77°F

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

Tomorrow by Hour

75°Temperature trend91°
TimeTempConditionRain %Wind
7 AM79°FClear
2%
5 mph WSW
8 AM78°FClear
2%
5 mph WSW
9 AM78°FClear
2%
0 mph
10 AM76°FClear
2%
0 mph
11 AM76°FClear
2%
0 mph
12 PM75°FMostly Clear
0%
0 mph
1 PM75°FSunny
0%
0 mph
2 PM75°FSunny
0%
0 mph
3 PM76°FSunny
0%
0 mph
4 PM78°FSunny
0%
0 mph
5 PM81°FSunny
0%
0 mph
6 PM85°FSunny
0%
5 mph SW
7 PM87°FSunny
0%
5 mph SW
8 PM89°FSunny
0%
5 mph SW
9 PM91°FSunny
0%
10 mph SW
10 PM90°FSunny
0%
10 mph SW
11 PM88°FSunny
0%
10 mph SW
12 AM87°FSunny
0%
10 mph WSW
1 AM84°FClear
0%
10 mph WSW
2 AM81°FClear
0%
10 mph WSW
3 AM80°FClear
0%
5 mph SW
4 AM79°FClear
0%
5 mph SW
5 AM78°FClear
0%
5 mph SW
6 AM77°FMostly Clear
0%
5 mph SW

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • Light t-shirt or tank top
  • Shorts or light skirt
  • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 91°F

Low: 75°F

Wind: 0-10 mph

Rain: 2%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM95

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

7a1p7p1a

More for Pomona, CA

More cities in California

Frequently Asked Questions

What is the weather forecast for tomorrow in Pomona, CA?
Tomorrow in Pomona: High of 91°F, Low of 75°F. Clear with 2% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in Pomona?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Pomona?
With a high of 91°F and low of 75°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.