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First and last freeze dates in Altoona, PA

The first freeze of fall (a low of 32°F or colder) typically comes around Oct 18, and the last freeze of spring around Apr 25.

This fall so far (data through Oct 16, 2026): no 32°F freeze recorded yet at this station. Observed data, can lag a day or two.

Oct 18Median first fall freeze (≤32°F)

Apr 25Median last spring freeze (≤32°F)

176Median freeze-free days between

First and last freeze dates in Altoona

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Oct 18	Oct 7 – Nov 1	Sep 20 (2020) / Nov 3 (2014)	100%
32°F or colder (freeze)	Last in spring	Apr 25	Apr 14 – May 9	–	100%
28°F or colder (hard freeze)	First in fall	Nov 2	Oct 19 – Nov 13	Oct 8 (2001) / Nov 18 (2020)	100%
28°F or colder (hard freeze)	Last in spring	Apr 7	Mar 25 – Apr 29	–	100%

Based on the station’s daily minimum temperature, 1995–2024. “Freeze” here means a daily low at or below the threshold, which is not the same as visible frost. Your yard can differ by several degrees and days from an airport weather station, so use these as planning odds, not guarantees.

The median stretch between the last spring freeze and the first fall freeze (the freeze-free season) was about 176 days.

Nearby weather stations

Source station: Altoona Blair Co Ap (USW00014736), elevation 1,465 ft. Data: NOAA NCEI GHCN-Daily. Computed by First Snow Dates; how we calculate this. Historical averages only; for a forecast see weather.gov.

Planning for winter? Heat pump vs gas furnace, propane and oil: heating cost in Pennsylvania (on our sister site PlugVsPump, from EIA prices).