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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.