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Olney March Weather

Averages and records for weather in Olney, Illinois in the month of March.

Typical Olney March Weather 1991–2020
Average daily high	54.1 °F
Average daily low	33.4 °F
Average monthly precipitation	4.2 inches
Average monthly snow	1.3 inches
Daily chance of precipitation	38.2%
Daily chance of snow	2.3%

Olney March Weather Records 1893–2024
Highest temperature	89 °F	March 24, 1929
Lowest temperature	-15 °F	March 5, 1978
Highest daily low	69 °F	March 31, 1998
Lowest daily high	16 °F	March 5, 2019
Hottest average high temperature	71.3 °F	2012
Coldest average high temperature	41.8 °F	1960
Most daily precipitation	6.3 inches	March 25, 1904
Most monthly precipitation	12.7 inches	2008
Most daily snow	10.0 inches	March 13, 1937
Most monthly snow	21.2 inches	1896

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	48.4	28.7	73	2
March 2	48.9	29.1	76	0
March 3	49.4	29.4	76	-6
March 4	49.8	29.8	79	-5
March 5	50.2	30.2	79	-15
March 6	50.6	30.6	77	-5
March 7	50.9	30.9	80	-1
March 8	51.1	31.1	80	-2
March 9	51.4	31.3	81	8
March 10	51.8	31.6	80	4
March 11	52.2	31.8	77	11
March 12	52.5	32.1	78	3
March 13	52.9	32.3	79	5
March 14	53.3	32.7	81	13
March 15	53.7	33.1	84	16
March 16	54.0	33.4	84	12
March 17	54.4	33.6	76	7
March 18	54.9	34.0	83	11
March 19	55.5	34.4	82	8
March 20	56.1	34.8	85	10
March 21	56.5	35.2	86	10
March 22	56.8	35.5	87	17
March 23	57.2	35.7	88	15
March 24	57.5	36.0	89	-2
March 25	58.0	36.4	82	11
March 26	58.5	36.8	85	6
March 27	58.9	37.2	87	10
March 28	59.4	37.6	86	18
March 29	59.9	38.0	82	20
March 30	60.2	38.3	84	19
March 31	60.6	38.6	85	15

Weather Station Details

Years	Station	Coordinates
1893–2024	Olney 2S	location