Houston, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Houston, a borough in Washington County, Pennsylvania.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. North wind around 8 mph.
7-day forecast for Houston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 8 mph N | 11% |
| Tonight | 58°F | Partly Cloudy | 3 to 8 mph NE | 11% |
| Saturday | 80°F | Partly Sunny | 5 mph E | 5% |
| Saturday Night | 65°F | Mostly Cloudy then Showers And Thunderstorms Likely | 3 to 7 mph SE | 57% |
| Sunday | 78°F | Showers And Thunderstorms | 9 mph SW | 94% |
| Sunday Night | 60°F | Showers And Thunderstorms | 9 mph N | 94% |
| Monday | 69°F | Chance Rain Showers | 12 mph NE | 42% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 13 mph NE | 62% |
| Tuesday | 67°F | Showers And Thunderstorms Likely | 14 mph E | 71% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 13 to 16 mph E | 69% |
| Wednesday | 65°F | Showers And Thunderstorms Likely | 14 mph E | 66% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 8 to 14 mph E | 53% |
| Thursday | 66°F | Chance Rain Showers | 9 mph E | 40% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 5 to 9 mph NE | 22% |
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
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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 Sep 19, 2026.