New Columbia, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Columbia, a community in Union County, Pennsylvania.
Today
74°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 74. Southeast wind 1 to 9 mph.
7-day forecast for New Columbia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Fog then Mostly Sunny | 1 to 9 mph SE | 1% |
| Tonight | 58°F | Mostly Cloudy then Light Rain | 6 to 9 mph S | 83% |
| Thursday | 72°F | Light Rain | 5 to 10 mph S | 89% |
| Thursday Night | 50°F | Chance Light Rain then Mostly Cloudy | 0 to 3 mph SW | 31% |
| Friday | 67°F | Slight Chance Light Rain | 1 mph NE | 15% |
| Friday Night | 45°F | Partly Cloudy | 3 mph NW | 13% |
| Saturday | 59°F | Chance Light Rain | 3 to 10 mph W | 27% |
| Saturday Night | 39°F | Chance Light Rain | 10 mph W | 27% |
| Sunday | 57°F | Mostly Sunny | 9 mph W | 6% |
| Sunday Night | 36°F | Partly Cloudy | 7 mph W | 6% |
| Monday | 57°F | Mostly Sunny | 7 to 12 mph W | 10% |
| Monday Night | 34°F | Partly Cloudy | 3 to 7 mph W | 10% |
| Tuesday | 61°F | Mostly Sunny | 3 to 10 mph SW | 3% |
| Tuesday Night | 34°F | Partly Cloudy | 6 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for New Columbia (41.037, -76.878). Updated through the day.
Growing snapshot for New Columbia
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
6b
More local growing data for New Columbia: nearby ZIP 17886 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewisburg, Pa (4.9 mi from New Columbia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.