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Holiday weather history: Allentown, PA

What Halloween, Thanksgiving, Christmas and New Year's Eve have actually been like at the Allentown weather station over 31 years (1995–2025). For this year's forecast, check the National Weather Service forecast for this spot.

Quick answer for Halloween: typical high 59°F, low 36°F; rain or snow in 19% of years; dry and 50–80°F in 65%.

🎃 Halloween weather in Allentown (Oct 31)

59°F / 36°Ftypical high / low

19%of years had rain or snow (≥0.01 in)

6%were soakers (≥0.25 in)

0%had measurable snowfall

65%were dry with a high of 50–80°F

Warmest Halloween: 82°F (2024). Coldest high: 45°F (2012); coldest low 25°F (2011). Wettest: 1.95 in (2019). The median Halloween high was 64°F in 1995–2009 and 55°F in 2010–2025 (-9°F; single-day values swing a lot, so treat this as a hint, not a trend).

Year	Date	High	Low	Precip
2025	10-31	56°F	46°F	0.00 in
2024	10-31	82°F	45°F	0.00 in
2023	10-31	51°F	36°F	0.00 in
2022	10-31	61°F	37°F	0.08 in
2021	10-31	63°F	47°F	0.47 in
2020	10-31	46°F	26°F	0.00 in
2019	10-31	75°F	53°F	1.95 in
2018	10-31	69°F	34°F	0.00 in
2017	10-31	55°F	34°F	0.00 in
2016	10-31	55°F	33°F	0.00 in

🦃 Thanksgiving weather in Allentown (4th Thursday of Nov)

48°F / 29°Ftypical high / low

35%of years had rain or snow (≥0.01 in)

19%were soakers (≥0.25 in)

10%had measurable snowfall

6%had ≥1 in of snow on the ground

32%were dry with a high of 50–80°F

Warmest Thanksgiving: 69°F (2007). Coldest high: 27°F (1996); coldest low 14°F (2018). Wettest: 0.78 in (2006); snowiest: 1.4 in (2010). The median Thanksgiving high was 48°F in 1995–2009 and 48°F in 2010–2025 (+0°F; single-day values swing a lot, so treat this as a hint, not a trend).

Year	Date	High	Low	Precip
2025	11-27	43°F	32°F	0.00 in
2024	11-28	45°F	36°F	0.56 in
2023	11-23	50°F	39°F	0.00 in
2022	11-24	54°F	22°F	0.00 in
2021	11-25	54°F	27°F	0.00 in
2020	11-26	62°F	46°F	0.32 in
2019	11-28	51°F	37°F	0.00 in
2018	11-22	29°F	14°F	0.00 in
2017	11-23	42°F	27°F	0.00 in
2016	11-24	46°F	33°F	0.00 in

🎄 Christmas Day weather in Allentown (Dec 25)

39°F / 24°Ftypical high / low

39%of years had rain or snow (≥0.01 in)

16%were soakers (≥0.25 in)

3%had measurable snowfall

20%had ≥1 in of snow on the ground

10%were dry with a high of 50–80°F

Warmest Christmas Day: 64°F (2020). Coldest high: 21°F (2000); coldest low 10°F (1999). Wettest: 1.50 in (2002); snowiest: 6.6 in (2002). The median Christmas Day high was 36°F in 1995–2009 and 46°F in 2010–2025 (+10°F; single-day values swing a lot, so treat this as a hint, not a trend).

Year	Date	High	Low	Precip
2025	12-25	51°F	24°F	0.00 in
2024	12-25	35°F	20°F	0.00 in
2023	12-25	51°F	38°F	0.00 in
2022	12-25	26°F	11°F	0.00 in
2021	12-25	53°F	34°F	0.06 in
2020	12-25	64°F	23°F	0.56 in
2019	12-25	46°F	22°F	0.00 in
2018	12-25	39°F	28°F	0.00 in
2017	12-25	35°F	24°F	0.09 in
2016	12-25	51°F	30°F	0.00 in

🎆 New Year's Eve weather in Allentown (Dec 31)

41°F / 25°Ftypical high / low

45%of years had rain or snow (≥0.01 in)

13%were soakers (≥0.25 in)

13%had measurable snowfall

21%had ≥1 in of snow on the ground

6%were dry with a high of 50–80°F

Warmest New Year's Eve: 54°F (2024). Coldest high: 18°F (2017); coldest low 6°F (2017). Wettest: 1.04 in (2018); snowiest: 3.0 in (2009). The median New Year's Eve high was 35°F in 1995–2009 and 44°F in 2010–2025 (+8°F; single-day values swing a lot, so treat this as a hint, not a trend).

Year	Date	High	Low	Precip
2025	12-31	32°F	24°F	0.00 in
2024	12-31	54°F	25°F	0.62 in
2023	12-31	41°F	34°F	0.00 in
2022	12-31	47°F	31°F	0.35 in
2021	12-31	49°F	46°F	0.00 in
2020	12-31	41°F	27°F	0.19 in
2019	12-31	46°F	36°F	0.01 in
2018	12-31	43°F	25°F	1.04 in
2017	12-31	18°F	6°F	0.00 in
2016	12-31	44°F	23°F	0.00 in

More for Allentown: first snow & white Christmas odds · earliest sunset.

Station: GHCN-Daily USW00014737 (40.650, -75.448). Precip is the 24-hour station total for the day, so rain may have fallen outside party hours.