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Harper, TX Weather Tomorrow

Check tomorrow's local weather for Harper and explore a complete 5 day forecast covering daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Harper area and around Gillespie county, Texas.
Updated: Sat Sep 26th 2026 2:45 PM CDT
Harper, TX Weather – 9-26 – Overcast
86° / 67°
Overcast
Highs will reach 86°F with lows near 67°F in Harper, where overcast is. There might be light rainfall having a 12% chance. Wind will be moderate, blowing around 17mph on average and gusts of 20.4mph at 3 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 49% at 11 PM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 10 PM, a lowest point of 29.87inHg at 5 PM with an avg 29.9inHg.
Harper, TX Weather – 9-27 – Overcast
88° / 70°

Weather Tomorrow

Overcast
Daytime highs will reach 88°F with lows dropping to 70°F in Harper, where skies will be overcast. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 24.8mph at 2 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 80% at 6 AM and 34% being its lowest at 5 PM. Barometric pressure is its highest of 29.96inHg at 9 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.9inHg.
Harper, TX Weather – 9-28 – Overcast
88° / 67°
Overcast
In Harper, cloud-filled skies are likely with a high near 88°F and a low around 67°F. There might be light rainfall having a 18% chance with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 27.2mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 85% at 6 AM and 31% being its lowest at 5 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.76inHg at 5 PM with an avg 29.86inHg.
Harper, TX Weather – 9-29 – Overcast
85° / 64°
Overcast
Daytime highs will reach 85°F with lows dropping to 64°F in Harper, where skies will be overcast. There might be light rainfall having a 14% chance with an estimated 0in. Winds will be strong at speeds peaking at 23mph and gusts of 36.2mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 93% at 6 AM and 36% being its lowest at 5 PM. Barometric pressure is its highest of 29.87inHg at 1 AM, a lowest point of 29.68inHg at 10 PM with an avg 29.8inHg.
Harper, TX Weather – 9-30 – Scattered Showers
81° / 67°
Scattered Showers
In Harper, on and off showers are set to occur with highs near 81°F and lows around 67°F. The chance of rain is 80% with an estimated 0.25in. Winds will be strong at speeds peaking at 28mph and gusts of 39.8mph at 4 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 94% at 8 AM and 64% being its lowest at 11 AM. Barometric pressure is its highest of 29.75inHg at 9 AM, a lowest point of 29.64inHg at 5 PM with an avg 29.69inHg.
Harper, TX Weather – 10-1 – Sunny
85° / 71°
Sunny
Daytime highs will reach 85°F with lows dropping to 71°F in Harper, where bright and sunny conditions. Rainfall predicted to have a 57% chance with an estimated 0.11in. Wind will be moderate, blowing around 16mph on average and gusts of 26.8mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 97% at 7 AM and 40% being its lowest at 4 PM. Barometric pressure is its highest of 29.84inHg at 11 PM, a lowest point of 29.71inHg at 12 AM with an avg 29.76inHg.

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