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Rainbow, TX Weather Tomorrow

Before heading out, check tomorrow's Rainbow weather and the extended 5 day forecast featuring precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction across the Rainbow area and around Somervell county, Texas.
Updated: Mon Aug 31st 2026 4:30 PM CDT
Rainbow, TX Weather – 8-31 – Sunny
102° / 78°
Sunny
In Rainbow, bright and sunny conditions with highs near 102°F and lows around 78°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 17mph on average and gusts of 21.7mph at 5 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 39% at 10 PM and 25% being its lowest at 5 PM. Barometric pressure is its highest of 29.89inHg at 11 PM, a lowest point of 29.84inHg at 6 PM with an avg 29.86inHg.
Rainbow, TX Weather – 9-1 – Sunny
98° / 79°

Weather Tomorrow

Sunny
Daytime highs will reach 98°F with lows dropping to 79°F in Rainbow, where bright and sunny conditions. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 18mph on average and gusts of 28.9mph at 1 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 67% at 7 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 9 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.91inHg.
Rainbow, TX Weather – 9-2 – Sunny
92° / 75°
Sunny
It will be sunny in Rainbow, with a high of 92°F and a low of 75°F. Rainfall predicted to have a 57% chance with an estimated 0.09in. Wind will be moderate, blowing around 18mph on average and gusts of 34.2mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 81% at 7 AM and 39% being its lowest at 1 PM. Barometric pressure is its highest of 29.96inHg at 8 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.91inHg.
Rainbow, TX Weather – 9-3 – Overcast
85° / 76°
Overcast
Daytime highs will reach 85°F with lows dropping to 76°F in Rainbow, where it will be overcast. Rainfall predicted to have a 57% chance with an estimated 0.05in. Winds will be strong at speeds peaking at 21mph and gusts of 34.3mph at 12 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 81% at 12 AM and 54% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 12 PM, a lowest point of 29.82inHg at 5 PM with an avg 29.88inHg.
Rainbow, TX Weather – 9-4 – Sunny
98° / 76°
Sunny
It will be sunny in Rainbow, with a high of 98°F and a low of 76°F. There's a very small chance of rainfall, only about 5% with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 32mph at 12 AM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 69% at 9 AM and 27% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 10 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.87inHg.
Rainbow, TX Weather – 9-5 – Sunny
100° / 79°
Sunny
Sunshine is in the forecast for Rainbow, with a high of 100°F and a low of 79°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 17mph on average and gusts of 30.2mph at 1 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 71% at 7 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 9 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.88inHg.

Currently

Sunny 100°F
29.87 inHg.
Barometer
28%
Humidity
SSE 20.2 mph
Wind
Sunny

5 Day Forecast Nearby

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