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Bloomsburg, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bloomsburg, a town in Columbia County, Pennsylvania.

This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 73. Southeast wind around 1 mph. Chance of precipitation is 20%.

7-day forecast for Bloomsburg

WhenTempForecastWindPrecip
This Afternoon 73°F Slight Chance Rain Showers 1 mph SE 15%
Tonight 59°F Rain Showers 1 to 7 mph SE 87%
Sunday 74°F Rain Showers 3 to 8 mph S 96%
Sunday Night 53°F Showers And Thunderstorms Likely then Mostly Cloudy 3 mph NW 72%
Monday 70°F Partly Sunny 5 mph NE 11%
Monday Night 49°F Chance Rain Showers 5 mph NE 42%
Tuesday 64°F Chance Rain Showers 5 mph E 42%
Tuesday Night 47°F Chance Rain Showers then Mostly Cloudy 6 mph E 35%
Wednesday 63°F Slight Chance Rain Showers 7 mph E 21%
Wednesday Night 46°F Mostly Cloudy then Slight Chance Rain Showers 6 mph E 23%
Thursday 64°F Slight Chance Rain Showers 6 mph NE 23%
Thursday Night 46°F Slight Chance Rain Showers 3 mph NE 22%
Friday 67°F Chance Rain Showers 2 to 6 mph N 25%
Friday Night 47°F Chance Rain Showers 5 mph N 25%

Forecast source: National Weather Service (api.weather.gov) for Bloomsburg (41.003, -76.457). Updated through the day.

Growing snapshot for Bloomsburg

Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6b

More local growing data for Bloomsburg: nearby ZIP 17815 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Bear Gap, Pa (14.4 mi from Bloomsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.