Harman US

Houston, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Houston, a borough in Washington County, Pennsylvania.

Overnight
56°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 56. Northeast wind around 2 mph.

7-day forecast for Houston

WhenTempForecastWindPrecip
Overnight 56°F Patchy Fog 2 mph NE 0%
Tuesday 86°F Patchy Fog then Sunny 1 to 5 mph E 0%
Tuesday Night 67°F Partly Cloudy 5 mph SE 1%
Wednesday 86°F Partly Sunny then Scattered Showers And Thunderstorms 2 to 6 mph S 36%
Wednesday Night 68°F Scattered Showers And Thunderstorms 5 mph S 50%
Thursday 85°F Showers And Thunderstorms Likely 3 to 8 mph SW 72%
Thursday Night 68°F Showers And Thunderstorms Likely 2 to 7 mph SW 72%
Friday 84°F Showers And Thunderstorms 3 to 8 mph SW 83%
Friday Night 66°F Showers And Thunderstorms 3 to 7 mph SW 83%
Saturday 83°F Chance Showers And Thunderstorms 5 to 9 mph SW 54%
Saturday Night 66°F Chance Showers And Thunderstorms 3 to 7 mph SW 54%
Sunday 85°F Slight Chance Showers And Thunderstorms 5 to 9 mph SW 22%
Sunday Night 69°F Slight Chance Showers And Thunderstorms 8 mph SW 23%
Monday 86°F Chance Showers And Thunderstorms 8 to 12 mph SW 34%

Forecast source: National Weather Service (api.weather.gov) for Houston (40.249, -80.211). Updated through the day.

Growing snapshot for Houston

Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b

More local growing data for Houston: nearby ZIP 15342 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Washington 3 Ne, Pa (4.9 mi from Houston). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.