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Lewistown August Weather

Averages and records for weather in Lewistown, Pennsylvania in the month of August.

Typical Lewistown August Weather 1991–2020
Average daily high	83.6 °F
Average daily low	61.3 °F
Average monthly precipitation	3.6 inches
Average monthly snow	none
Daily chance of precipitation	34.5%
Daily chance of snow	0%

Lewistown August Weather Records 1938–2024
Highest temperature	103 °F	August 27, 1948
Lowest temperature	38 °F	August 31, 1976
Highest daily low	76 °F	August 3, 1943
Lowest daily high	59 °F	August 27, 1940
Hottest average high temperature	90.8 °F	1938
Coldest average high temperature	79.0 °F	1994
Most daily precipitation	2.7 inches	August 3, 1961
Most monthly precipitation	9.7 inches	1955
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	84.9	62.8	97	50
August 2	84.7	62.7	99	48
August 3	84.7	62.6	100	47
August 4	84.6	62.5	98	47
August 5	84.5	62.4	96	46
August 6	84.3	62.3	99	46
August 7	84.2	62.1	96	47
August 8	84.1	62.0	95	49
August 9	84.1	61.9	98	51
August 10	84.0	61.7	97	50
August 11	83.9	61.6	98	48
August 12	83.9	61.5	100	49
August 13	83.8	61.4	100	45
August 14	83.8	61.4	98	46
August 15	83.6	61.4	97	47
August 16	83.5	61.2	97	46
August 17	83.4	61.1	96	48
August 18	83.2	60.9	95	40
August 19	82.9	60.6	94	40
August 20	82.8	60.5	97	42
August 21	82.7	60.4	99	41
August 22	82.7	60.3	96	46
August 23	82.6	60.1	96	39
August 24	82.5	59.9	95	45
August 25	82.3	59.7	95	42
August 26	82.2	59.6	99	38
August 27	82.0	59.4	103	42
August 28	81.8	59.1	101	43
August 29	81.5	58.8	102	41
August 30	81.3	58.6	97	42
August 31	81.2	58.4	99	38

Weather Station Details

Years	Station	Coordinates
1938–2024	Lewistown	location