Riverside, PA Weather & Growing Conditions
Tonight
48°F
Mostly Clear then Areas Of Fog
Areas of fog after 1am. Mostly clear, with a low around 48. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear then Areas Of Fog | 1 mph SE | 2% |
| Wednesday | 73°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy then Rain Showers Likely | 6 mph S | 71% |
| Thursday | 71°F | Rain Showers | 3 to 7 mph S | 90% |
| Thursday Night | 55°F | Chance Rain Showers | 2 mph SW | 40% |
| Friday | 68°F | Chance Rain Showers | 1 mph NW | 42% |
| Friday Night | 45°F | Chance Rain Showers | 1 mph NW | 42% |
| Saturday | 61°F | Slight Chance Rain Showers | 2 to 7 mph NW | 19% |
| Saturday Night | 38°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NW | 19% |
| Sunday | 59°F | Mostly Sunny | 2 to 6 mph W | 7% |
| Sunday Night | 35°F | Slight Chance Rain Showers | 5 mph W | 16% |
| Monday | 58°F | Slight Chance Rain Showers | 5 to 10 mph NW | 24% |
| Monday Night | 34°F | Slight Chance Rain Showers | 7 mph W | 24% |
| Tuesday | 61°F | Mostly Sunny | 6 to 10 mph SW | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Riverside, PA
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
6b
Explore more for Riverside, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Sunbury, Pa (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.