Allentown, PA: Fall

9 October 2026: Fall 2026 so far averaged 65.5°F in Allentown, PA, the warmest 1 September to 9 October since 2025, tied 18th warmest of 102 (with 2002).

Fall 2026 so far, to 9 October 2026

Mean temperature: 65.5°F; Warmest since 2025; 18th warmest of 102
Precipitation: 4.44 in; Driest since 2025; 55th driest of 111

A normal 1 September to 9 October in Allentown, PA (1991 to 2020): a mean temperature of 63.5°F, between 61.1°F and 67.4°F in eight years of ten and 5.03 in of precipitation, between 2.62 in and 11.03 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Allentown, PA since 1923: 65.5°F in 2026; the highest is 69.8°F, in 2018.

Normal range, 61.1 to 67.4°F

Every year, ranked, as a table

Every 1 September to 9 October in Allentown, PA from 1912 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	65.5	18	75.2	31	55.7	11	4.44	57	0
2025	66	14	78.1	14	54	26	3.04	89	0
2024	64.1	34	74.6	39	53.5	33	1.31	106	0
2023	65	23	75.3	30	54.8	18	4.31	60	0
2022	62.1	75	72.1	83	52.1	60	6.41	35	0
2021	65.7	16	75.8	26	55.5	12	8.34	12	0
2020	62.7	63	74	48	51.4	76	4.24	61	0
2019	67.3	10	78.4	10	56.2	7	2.31	96	0
2018	69.8	1	77.6	16	61.9	1	7.01	23	0
2017	67.4	9	78.9	7	56	8	4.56	55	0
2016	67.1	11	78.8	8	55.3	13	3.68	71	0
2015	66.8	12	78.4	10	55.2	16	6.02	38	0
2014	64.3	29	76.1	24	52.6	45	1.97	99	0
2013	63.6	45	75.8	26	51.5	73	3.58	76	0
2012	63.4	50	73.6	61	53.1	39	6.93	24	0
2011	64.8	25	73.7	59	55.8	9	13.60	1	0
2010	64.1	34	75.7	28	52.5	46	11.00	5	0
2009	61	88	70.9	92	51.1	80	3.59	75	0
2008	63.1	55	73.8	56	52.3	50	8.23	13	0
2007	67.7	6	80.6	1	54.7	19	1.30	108	0
2006	61.3	82	71.4	88	51.3	78	6.57	31	0
2005	67.8	5	80.3	4	55.3	13	10.45	6	0
2004	63.9	39	74.7	37	53	41	9.56	10	0
2003	62	78	71.8	86	52.2	56	11.27	4	0
2002	65.5	18	77.3	17	53.6	32	2.65	94	0
2001	60.6	91	73.6	61	47.5	103	4.40	58	0
2000	59.8	98	70.8	94	48.8	98	4.06	65	0
1999	62.5	66	73.1	68	51.8	65	12.35	2	0
1998	63.1	55	73.9	51	52.3	50	6.63	29	0
1997	61.7	79	73	69	50.4	88	3.56	78	0
1996	61.1	85	71.4	88	50.7	83	7.24	22	0
1995	64.1	34	75.2	31	53.1	39	5.49	42	0
1994	62.4	69	72.9	70	51.9	63	3.16	84	0
1993	62.1	75	72	84	52.3	50	8.02	16	0
1992	61.4	81	72	84	50.8	82	4.39	59	0
1991	63.7	44	75.1	34	52.2	56	3.80	68	0
1990	62.8	60	73.9	51	51.7	68	2.28	98	0
1989	62.8	60	72.8	74	52.9	43	6.53	33	0
1988	60.5	92	70.5	95	50.4	88	3.71	70	0
1987	61.2	84	71.1	91	51.4	76	9.89	7	0
1986	63.4	50	73.2	66	53.7	31	3.79	69	0
1985	63.8	41	74.5	43	53.2	37	9.60	9	0
1984	60.4	93	71.4	88	49.5	95	1.97	99	0
1983	65.6	17	78.3	13	52.9	43	1.86	101	0
1982	64.2	32	74	48	54.4	21	1.77	103	0
1981	61.1	85	69.9	98	52.3	50	3.46	80	0
1980	67.7	6	78.5	9	56.8	5	2.70	91	0
1979	63.8	41	72.8	74	54.9	17	9.76	8	0
1978	62.3	71	72.4	78	52.2	56	3.41	81	0
1977	64.3	29	72.9	70	55.8	9	5.66	40	0
1976	62.7	63	73.2	66	52.3	50	6.81	25	0
1975	60.3	94	69.8	100	50.7	83	7.70	17	0
1974	59.6	99	69.6	103	49.5	95	6.67	26	0
1973	64.9	24	75.5	29	54.3	23	6.54	32	0
1972	62.7	63	73.7	59	51.6	69	2.68	93	0
1971	66.1	13	73.9	51	58.2	3	4.16	63	0
1970	65.1	22	76.8	20	53.5	33	3.23	83	0
1969	62.5	66	73.4	63	51.6	69	5.10	48	0
1968	64.3	29	77.1	18	51.5	73	3.66	72	0
1967	60.7	90	73.8	56	47.6	102	0.94	111	0
1966	60.1	97	69.8	100	50.4	88	7.46	20	0
1965	62.4	69	72.4	78	52.5	46	5.30	46	0
1964	62.3	71	74.4	44	50.3	92	3.07	86	0
1963	60.2	95	72.4	78	48.1	101	6.61	30	0
1962	60.2	95	69.9	98	50.5	87	5.89	39	0
1961	67.9	4	79	6	56.8	5	1.74	104	0
1960	62.2	74	72.3	81	52.1	60	7.58	19	0
1959	68.8	3	79.2	5	58.3	2	6.20	37	0
1958	61	88	72.9	70	49.1	97	6.35	36	0
1957	63.9	39	74.7	37	53.2	37	3.05	88	0
1956	59.2	101	69.7	102	48.8	98	3.89	66	0
1955	62.9	58	73.4	63	52.3	50	4.63	54	0
1954	64	37	73.9	51	54	26	3.49	79	0
1953	62.8	60	74.9	36	50.7	83	3.88	67	0
1952	62.3	71	74	48	50.6	86	8.54	11	0
1951	63.5	47	74.6	39	52.4	49	4.82	50	0
1950	61.1	85	70.5	95	51.6	69	4.66	52	0
1949	62.1	75	72.9	70	51.3	78	5.32	44	0
1948	63.5	47	75.2	31	51.8	65	1.86	101	0
1947	63.4	50	75.1	34	51.8	65	2.81	90	0
1946	64.4	27	77.8	15	51.1	80	4.45	56	0
1945	63.4	50	73.8	56	53	41	7.34	21	0
1944	63.8	41	73.9	51	53.8	30	4.77	51	0
1943	62.5	66	74.6	39	50.4	88	1.31	106	0
1942	63.2	54	74.2	46	52.2	56	4.64	53	0
1941	67.6	8	80.6	1	54.6	20	0.98	109	0
1940	61.3	82	72.5	77	50.1	93	5.15	47	0
1939	65.4	20	76.7	22	54.2	24	3.14	85	1
1938	59.5	100	70.9	92	48.7	100	8.22	14	2
1937					52	62	0.97	110	4
1936	65.3	21	76.2	23	54.4	21	3.07	86	2
1935	58.8	102	70.3	97	47.4	104	5.46	43	0
1934	63.1	55	72.3	81	53.9	29	11.33	3	0
1933	64	37	74.6	39	53.5	33	6.44	34	0
1932	64.4	27	76.9	19	51.9	63	4.15	64	1
1931	68.9	2	80.5	3	57	4	2.70	91	1
1930	64.7	26	76.8	20	52.5	46	1.45	105	0
1929	63.6	45	76	25	51.6	69	8.07	15	3
1928			71.8	86			2.50	95	13
1927	66	14	78.4	10	53.4	36	3.63	73	1
1926	63.5	47	72.7	76	54.2	24	5.32	44	1
1925	64.2	32	74.3	45	54	26	5.63	41	1
1924	61.6	80	73.4	63	49.7	94	6.66	28	2
1923	62.9	58	74.2	46	51.5	73	3.63	73	0
1922					55.3	13	2.29	97	39
1919							4.18	62	39
1918							3.41	81	39
1916							3.58	76	39
1915							4.87	49	39
1913							6.67	26	39
1912							7.68	18	39

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2018	69.8
1931	68.9
1959	68.8
1961	67.9
2005	67.8
2007	67.7
1980	67.7
1941	67.6
2017	67.4
2019	67.3

Coldest
Year	Mean, °F
1935	58.8
1956	59.2
1938	59.5
1974	59.6
2000	59.8
1966	60.1
1963	60.2
1962	60.2
1975	60.3
1984	60.4

Wettest
Year	Precipitation, in
2011	13.60
1999	12.35
1934	11.33
2003	11.27
2010	11.00
2005	10.45
1987	9.89
1979	9.76
1985	9.60
2004	9.56

Driest
Year	Precipitation, in
1967	0.94
1937	0.97
1941	0.98
2007	1.30
2024	1.31
1943	1.31
1930	1.45
1961	1.74
1982	1.77
1983	1.86
More years share the last value

The hottest, coldest and wettest days

Hottest day: 88°F; 1 September 2026
Coldest night: 36°F; 7 October 2026
Wettest day: 1.11 in; 20 September 2026

Every month, season and year

Months

Seasons

Years

Allentown, PA the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 4.44 in of precipitation in Allentown, PA, the driest 1 September to 9 October since 2025, 55th driest of 111.
The hottest day of fall 2026 so far in Allentown, PA: 88°F on Tuesday 1 September 2026.
The coldest night of fall 2026 so far in Allentown, PA: a low of 36°F on Wednesday 7 October 2026.
The wettest day of fall 2026 so far in Allentown, PA: 1.11 in on Sunday 20 September 2026.