Clarendon, PA Weather & Growing Conditions
Overnight
49°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 49. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Areas Of Fog | 2 mph E | 1% |
| Saturday | 72°F | Patchy Fog then Partly Sunny | 3 mph SE | 11% |
| Saturday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SE | 84% |
| Sunday | 71°F | Showers And Thunderstorms | 5 mph W | 90% |
| Sunday Night | 49°F | Chance Rain Showers | 6 mph NE | 51% |
| Monday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph NE | 15% |
| Monday Night | 47°F | Chance Rain Showers | 8 mph E | 50% |
| Tuesday | 63°F | Chance Rain Showers | 8 mph E | 50% |
| Tuesday Night | 45°F | Showers And Thunderstorms Likely | 10 mph E | 56% |
| Wednesday | 61°F | Rain Showers Likely | 10 mph SE | 56% |
| Wednesday Night | 46°F | Chance Showers And Thunderstorms | 8 mph SE | 54% |
| Thursday | 64°F | Chance Rain Showers | 6 mph E | 48% |
| Thursday Night | 47°F | Chance Rain Showers | 1 to 5 mph NE | 41% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 2 to 6 mph NE | 15% |
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 Sep 19, 2026.