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Bath, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bath, a borough in Northampton County, Pennsylvania.

This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. Southwest wind 0 to 5 mph.

7-day forecast for Bath

WhenTempForecastWindPrecip
This Afternoon 67°F Mostly Sunny 0 to 5 mph SW 2%
Tonight 47°F Partly Cloudy then Areas Of Fog 0 mph 2%
Wednesday 72°F Patchy Fog then Partly Sunny 0 to 5 mph SW 2%
Wednesday Night 55°F Mostly Cloudy 5 mph S 14%
Thursday 70°F Light Rain 5 to 10 mph S 76%
Thursday Night 58°F Light Rain Likely 0 to 5 mph SW 69%
Friday 69°F Light Rain Likely 0 to 5 mph SW 69%
Friday Night 50°F Light Rain Likely 0 to 5 mph NW 66%
Saturday 65°F Slight Chance Light Rain 0 to 5 mph NW 23%
Saturday Night 42°F Slight Chance Light Rain 5 mph NW 20%
Sunday 61°F Mostly Sunny 5 mph NW 14%
Sunday Night 40°F Partly Cloudy then Slight Chance Light Rain 0 to 5 mph NW 24%
Monday 57°F Chance Light Rain 5 to 10 mph NW 34%
Monday Night 39°F Chance Light Rain 5 to 10 mph NW 34%

Forecast source: National Weather Service (api.weather.gov) for Bath (40.729, -75.391). Updated through the day.

Growing snapshot for Bath

Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
6b

More local growing data for Bath: nearby ZIP 18014 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Allentown Intl Ap, Pa (8.3 mi from Bath). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.