Denver, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Denver, a borough in Lancaster County, Pennsylvania.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Northeast wind 1 to 5 mph.
7-day forecast for Denver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 1 to 5 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 to 3 mph E | 4% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 1 to 7 mph E | 67% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 2 to 7 mph SE | 45% |
| Thursday | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 3 to 10 mph S | 69% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 1 to 9 mph S | 69% |
| Friday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 1 to 8 mph SW | 66% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 7 mph SW | 66% |
| Saturday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph W | 53% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 53% |
| Sunday | 88°F | Mostly Sunny | 1 to 8 mph W | 12% |
| Sunday Night | 69°F | Partly Cloudy | 1 to 6 mph SW | 12% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph W | 20% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Denver (40.234, -76.141). Updated through the day.
Growing snapshot for Denver
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
176 days
Hardiness zone
7a
More local growing data for Denver: nearby ZIP 17517 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Clay
Columbia
Conestoga
East Earl
East Petersburg
Elizabethtown
Ephrata
Falmouth
Farmersville
Fivepointville
Gap
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Goodville
Gordonville
Hinkletown
Hopeland
Intercourse
Kirkwood
Lampeter
Lancaster
Climate data from the nearest NOAA station, Blue Marsh Lake, Pa (10.9 mi from Denver). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.