Clarendon, PA Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 76°F | Partly Sunny | 2 to 7 mph S | 0% |
| Wednesday Night | 59°F | Rain Showers | 7 mph S | 94% |
| Thursday | 70°F | Rain Showers Likely | 5 to 9 mph SW | 58% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 3 mph SW | 6% |
| Friday | 64°F | Partly Sunny then Slight Chance Rain Showers | 3 mph W | 21% |
| Friday Night | 41°F | Chance Rain Showers | 2 mph NW | 37% |
| Saturday | 55°F | Chance Rain Showers | 3 to 7 mph NW | 42% |
| Saturday Night | 34°F | Chance Rain Showers | 5 mph W | 42% |
| Sunday | 54°F | Partly Sunny then Slight Chance Rain Showers | 3 to 7 mph SW | 17% |
| Sunday Night | 32°F | Chance Rain Showers | 5 mph W | 31% |
| Monday | 56°F | Chance Rain Showers | 6 to 9 mph W | 34% |
| Monday Night | 32°F | Chance Rain Showers | 6 mph SW | 34% |
| Tuesday | 59°F | Slight Chance Rain Showers | 7 to 10 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clarendon, PA
Last spring frost
May 4
First fall frost
Oct 21
Growing season
168 days
Hardiness zone
5b
Explore more for Clarendon, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Warren, Pa (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.