Warren, PA Weather & Growing Conditions
Today
78°F
Mostly Cloudy
Mostly cloudy, with a high near 78. South wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Cloudy | 5 to 8 mph S | 3% |
| Tonight | 59°F | Light Rain | 7 mph S | 100% |
| Thursday | 70°F | Light Rain Likely | 6 to 9 mph SW | 65% |
| Thursday Night | 45°F | Mostly Cloudy | 1 to 5 mph SW | 0% |
| Friday | 63°F | Mostly Cloudy then Chance Light Rain | 1 to 5 mph SW | 34% |
| Friday Night | 39°F | Light Rain Likely | 2 mph W | 58% |
| Saturday | 52°F | Light Rain Likely | 2 to 7 mph W | 60% |
| Saturday Night | 33°F | Chance Light Rain | 2 to 6 mph W | 53% |
| Sunday | 55°F | Slight Chance Light Rain then Partly Sunny | 5 to 8 mph W | 15% |
| Sunday Night | 31°F | Slight Chance Light Rain | 2 to 6 mph W | 20% |
| Monday | 56°F | Chance Light Rain | 3 to 8 mph W | 29% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 5 mph SW | 20% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Light Rain | 5 to 9 mph SW | 17% |
| Tuesday Night | 31°F | Slight Chance Light Rain | 1 to 5 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Warren, PA
Last spring frost
May 4
First fall frost
Oct 21
Growing season
168 days
Hardiness zone
6a
Explore more for Warren, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Warren, Pa (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.