Harman US

Harford, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Harford, a community in Susquehanna County, Pennsylvania.

This Afternoon
65°F
Mostly Cloudy
Mostly cloudy, with a high near 65. South wind around 5 mph.

7-day forecast for Harford

WhenTempForecastWindPrecip
This Afternoon 65°F Mostly Cloudy 5 mph S 4%
Tonight 48°F Partly Cloudy 6 mph S 4%
Wednesday 71°F Mostly Sunny 5 to 9 mph S 3%
Wednesday Night 56°F Mostly Cloudy then Chance Rain Showers 9 mph S 41%
Thursday 67°F Rain Showers 6 to 9 mph S 94%
Thursday Night 54°F Chance Rain Showers 1 to 5 mph W 40%
Friday 65°F Chance Rain Showers 3 mph NW 44%
Friday Night 45°F Chance Light Rain 2 mph NW 44%
Saturday 58°F Chance Light Rain 3 to 7 mph NW 32%
Saturday Night 37°F Chance Light Rain 7 mph NW 32%
Sunday 54°F Partly Sunny 7 mph W 12%
Sunday Night 33°F Partly Cloudy then Slight Chance Light Rain 6 mph W 17%
Monday 53°F Chance Light Rain 7 to 12 mph NW 26%
Monday Night 32°F Chance Light Rain 7 mph W 26%

Forecast source: National Weather Service (api.weather.gov) for Harford (41.782, -75.706). Updated through the day.

Growing snapshot for Harford

Last spring frost
May 14
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
6a

More local growing data for Harford: nearby ZIP 18823 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Montrose, Pa (10.1 mi from Harford). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.