Carroll Valley, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carroll Valley, a borough in Adams County, Pennsylvania.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 2 to 10 mph.
7-day forecast for Carroll Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 2 to 10 mph S | 1% |
| Tonight | 60°F | Mostly Cloudy then Light Rain | 6 to 9 mph S | 83% |
| Thursday | 73°F | Light Rain Likely | 5 to 10 mph S | 74% |
| Thursday Night | 57°F | Chance Light Rain | 3 mph W | 46% |
| Friday | 68°F | Slight Chance Light Rain | 2 mph N | 23% |
| Friday Night | 47°F | Slight Chance Light Rain then Partly Cloudy | 1 to 5 mph NW | 19% |
| Saturday | 58°F | Mostly Sunny | 5 to 12 mph W | 12% |
| Saturday Night | 39°F | Partly Cloudy | 10 mph W | 12% |
| Sunday | 58°F | Mostly Sunny | 10 mph NW | 3% |
| Sunday Night | 38°F | Mostly Clear | 8 mph W | 3% |
| Monday | 58°F | Sunny | 8 to 13 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 3 to 8 mph W | 4% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 2% |
| Tuesday Night | 38°F | Mostly Clear | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Carroll Valley (39.750, -77.387). Updated through the day.
Growing snapshot for Carroll Valley
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
7a
More local growing data for Carroll Valley: nearby ZIP 17320 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Abbottstown
Arendtsville
Aspers
Bendersville
Biglerville
Bonneauville
Cashtown
East Berlin
Fairfield
Gettysburg
Hampton
Heidlersburg
Hunterstown
Lake Heritage
Lake Meade
Littlestown
McKnightstown
McSherrystown
Midway
New Oxford
Orrtanna
Table Rock
York Springs
Climate data from the nearest NOAA station, Cashtown 1S, Pa (7.9 mi from Carroll Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.