Harford, PA Weather & Growing Conditions
This Afternoon
67°F
Partly Sunny
Partly sunny, with a high near 67. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Partly Sunny | 3 mph S | 3% |
| Tonight | 48°F | Partly Cloudy | 5 mph S | 4% |
| Wednesday | 73°F | Mostly Sunny | 5 to 8 mph S | 3% |
| Wednesday Night | 57°F | Mostly Cloudy then Chance Rain Showers | 8 mph S | 41% |
| Thursday | 69°F | Rain Showers | 8 mph S | 94% |
| Thursday Night | 54°F | Chance Rain Showers | 0 to 5 mph SW | 41% |
| Friday | 67°F | Chance Rain Showers | 2 mph W | 45% |
| Friday Night | 46°F | Chance Light Rain | 2 mph NW | 45% |
| Saturday | 60°F | Chance Light Rain | 2 to 7 mph NW | 31% |
| Saturday Night | 37°F | Chance Light Rain | 6 mph NW | 31% |
| Sunday | 56°F | Partly Sunny | 7 mph W | 12% |
| Sunday Night | 33°F | Partly Cloudy then Slight Chance Light Rain | 6 mph W | 17% |
| Monday | 56°F | Chance Light Rain | 7 to 12 mph NW | 27% |
| Monday Night | 32°F | Chance Light Rain | 7 mph W | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harford, PA
Last spring frost
May 14
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
6a
Explore more for Harford, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Montrose, Pa (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.