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Bethany, PA Weather & Growing Conditions

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

This Afternoon
67°F
Mostly Cloudy
Mostly cloudy, with a high near 67. Southwest wind around 5 mph.

7-day forecast for Bethany

WhenTempForecastWindPrecip
This Afternoon 67°F Mostly Cloudy 5 mph SW 11%
Tonight 48°F Partly Cloudy 3 mph S 3%
Wednesday 71°F Mostly Sunny 2 to 9 mph S 3%
Wednesday Night 56°F Mostly Cloudy then Chance Rain Showers 5 to 8 mph S 29%
Thursday 67°F Rain Showers 6 to 9 mph S 94%
Thursday Night 56°F Chance Rain Showers 1 to 6 mph SW 51%
Friday 65°F Chance Rain Showers 3 mph NW 54%
Friday Night 47°F Chance Light Rain 3 mph NW 54%
Saturday 59°F Chance Light Rain 3 to 8 mph NW 28%
Saturday Night 39°F Chance Light Rain then Mostly Cloudy 8 mph NW 28%
Sunday 54°F Mostly Sunny 6 to 9 mph W 7%
Sunday Night 35°F Partly Cloudy then Slight Chance Light Rain 7 mph W 15%
Monday 53°F Chance Light Rain 7 to 13 mph NW 28%
Monday Night 35°F Chance Light Rain 8 mph W 27%

Forecast source: National Weather Service (api.weather.gov) for Bethany (41.614, -75.289). Updated through the day.

Growing snapshot for Bethany

Last spring frost
May 3
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a

More local growing data for Bethany: nearby ZIP 18431 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Milanville, Pa (10.7 mi from Bethany). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.