Harford, PA Weather & Growing Conditions
This Afternoon
70°F
Partly Sunny
Partly sunny, with a high near 70. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 3 mph SE | 0% |
| Tonight | 53°F | Rain Showers | 2 to 8 mph SE | 92% |
| Sunday | 68°F | Rain Showers | 5 to 10 mph S | 98% |
| Sunday Night | 46°F | Chance Rain Showers then Cloudy | 5 to 8 mph N | 42% |
| Monday | 67°F | Partly Sunny | 7 mph N | 0% |
| Monday Night | 43°F | Mostly Cloudy then Chance Rain Showers | 2 to 6 mph NE | 25% |
| Tuesday | 63°F | Chance Rain Showers | 5 mph E | 25% |
| Tuesday Night | 42°F | Mostly Cloudy | 6 mph E | 8% |
| Wednesday | 63°F | Partly Sunny | 8 mph E | 6% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph E | 20% |
| Thursday | 63°F | Slight Chance Rain Showers | 6 mph E | 20% |
| Thursday Night | 41°F | Chance Rain Showers | 5 mph NE | 30% |
| Friday | 65°F | Chance Rain Showers | 5 to 8 mph N | 30% |
| Friday Night | 43°F | Chance Rain Showers | 6 to 9 mph N | 25% |
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 Sep 19, 2026.