Bloomsburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bloomsburg, a town in Columbia County, Pennsylvania.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. East wind around 2 mph.
7-day forecast for Bloomsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 2 mph E | 1% |
| Tonight | 57°F | Rain Showers | 1 to 6 mph SE | 86% |
| Sunday | 71°F | Rain Showers | 3 to 7 mph S | 97% |
| Sunday Night | 52°F | Rain Showers | 5 mph NW | 91% |
| Monday | 69°F | Mostly Cloudy | 5 mph N | 3% |
| Monday Night | 47°F | Chance Rain Showers | 5 mph NE | 37% |
| Tuesday | 63°F | Chance Rain Showers | 5 mph E | 38% |
| Tuesday Night | 45°F | Chance Rain Showers | 3 to 7 mph E | 31% |
| Wednesday | 63°F | Chance Rain Showers | 7 mph E | 31% |
| Wednesday Night | 46°F | Chance Rain Showers | 7 mph E | 36% |
| Thursday | 63°F | Chance Rain Showers | 7 mph NE | 36% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph NE | 33% |
| Friday | 68°F | Slight Chance Rain Showers | 2 to 6 mph N | 23% |
| Friday Night | 46°F | Slight Chance Rain Showers | 5 mph N | 21% |
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.