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Upland, CA Weather Tomorrow

Stay informed with tomorrow's weather forecast for Upland and the next 5 days, including precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction across the Upland area and around San Bernardino county, California.
Updated: Fri Aug 28th 2026 9:15 AM PDT
Upland, CA Weather – 8-28 – Overcast
104° / 75°
Overcast
Upland is set for cloud-filled skies with temperatures peaking at 104°F and dipping to 75°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 12mph on average and gusts of 20.8mph at 1 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 48% at 11 PM and 21% being its lowest at 1 PM. Barometric pressure is its highest of 29.87inHg at 10 AM, a lowest point of 29.8inHg at 4 PM with an avg 29.84inHg.
Upland, CA Weather – 8-29 – Sunny
94° / 77°

Weather Tomorrow

Sunny
It will be sunny in Upland, with a high of 94°F and a low of 77°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 12mph on average and gusts of 22.8mph at 3 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 60% at 6 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 29.88inHg at 10 AM, a lowest point of 29.78inHg at 4 PM with an avg 29.84inHg.
Upland, CA Weather – 8-30 – Sunny
90° / 72°
Sunny
Highs will reach 90°F with lows near 72°F in Upland, where a sunny day is. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 13mph on average and gusts of 23mph at 3 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 60% at 6 AM and 19% being its lowest at 4 PM. Barometric pressure is its highest of 29.88inHg at 9 AM, a lowest point of 29.79inHg at 4 PM with an avg 29.83inHg.
Upland, CA Weather – 8-31 – Sunny
87° / 68°
Sunny
In Upland, bright and sunny conditions with highs near 87°F and lows around 68°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 11mph on average and gusts of 21.9mph at 5 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 61% at 6 AM and 19% being its lowest at 2 PM. Barometric pressure is its highest of 29.92inHg at 11 PM, a lowest point of 29.84inHg at 4 PM with an avg 29.87inHg.
Upland, CA Weather – 9-1 – Sunny
87° / 69°
Sunny
Highs will reach 87°F with lows near 69°F in Upland, where sunshine is. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 12mph on average and gusts of 22.6mph at 4 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 48% at 4 AM and 16% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 8 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.91inHg.
Upland, CA Weather – 9-2 – Sunny
87° / 70°
Sunny
Upland may see sunshine, with daytime highs of 87°F and overnight lows near 70°F. Wind will be moderate, blowing around 12mph on average and gusts of 21mph at 2 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 44% at 4 AM and 14% being its lowest at 3 PM. Barometric pressure is its highest of 29.96inHg at 10 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.92inHg.

Currently

Overcast 88°F
29.87 inHg.
Barometer
44%
Humidity
SW 6.1 mph
Wind
Overcast

5 Day Forecast Nearby

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