Harman US

Bristol, PA Weather & Growing Conditions

Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Mostly Clear 0 to 5 mph S 2%
Wednesday 76°F Patchy Fog then Sunny 0 to 10 mph S 2%
Wednesday Night 59°F Mostly Cloudy 5 mph S 3%
Thursday 74°F Chance Light Rain 5 to 10 mph S 34%
Thursday Night 62°F Light Rain 5 mph S 81%
Friday 70°F Light Rain 5 mph SW 81%
Friday Night 53°F Light Rain Likely 0 to 5 mph W 80%
Saturday 66°F Chance Light Rain 5 to 10 mph NW 43%
Saturday Night 43°F Slight Chance Light Rain then Partly Cloudy 5 mph NW 15%
Sunday 61°F Mostly Sunny 5 to 10 mph W 10%
Sunday Night 41°F Partly Cloudy then Slight Chance Light Rain 5 mph W 18%
Monday 61°F Slight Chance Light Rain 5 to 15 mph NW 23%
Monday Night 40°F Slight Chance Light Rain 5 to 10 mph W 23%
Tuesday 63°F Sunny 10 to 15 mph W 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Bristol, PA

Last spring frost
Apr 21
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7b

Explore more for Bristol, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Neshaminy Falls, Pa (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.