Areas of Severe Thunderstorms and Excessive Rainfall Thursday

Severe thunderstorms posing a risk for strong gusts and/or large hail are possible across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic Thursday afternoon and evening. Excessive rainfall may bring flash and urban flooding over the Mid-Mississippi and Ohio Valleys, and Mid-Atlantic on Thursday. Read More >

Halloween

PERIOD OF RECORD: 155 YEARS (1871 - 2025)

The highest temperature recorded on Halloween is 80F degrees in 1971. The lowest the mercury has fallen to on Halloween is 21F back in 1988. The high temperature averages 55F degrees and the low averages 39F degrees on Halloween. A strong cold front pushed across Rochester during Halloween in 2019. This front brought strong wind gusts to 47 mph (58 mph just past midnight) downed many trees, created numerous power outages and also produced a daily record precipitation event.

Temperature (F) Data

Highest	80	1971
Lowest	21	1988
Highest Minimum	61	2024
Lowest Maximum	34	1917
Average High	55
Average Low	39

HIGH TEMPERATURE (F) BY 10 DEGREE RANGES

(since 1940; 86 years)

	30s	40s	50s	60s	70s	80s
Number of occurrences	1	19	30	28	7	1
Percentage	1%	22%	35%	33%	8%	1%

Precipitation Data

(since 1940; 86 years)

Number of times 0.01" or greater:	30
Number of times 0.10" or greater:	18
Number of times 0.50" or greater:	8

Precipitation Records

Greatest Precipitation

1.09"

2019

Almanac Data for Recent Halloweens

Year	High	Low	Precip
1980	56	43	0.00
1981	62	38	0.00
1982	64	46	0.73
1983	56	29	0.00
1984	58	39	T

1985	59	34	0.00
1986	56	26	0.00
1987	54	34	0.00
1988	48	21	0.00
1989	73	50	0.15

1990	57	34	0.00
1991	52	37	0.00
1992	41	28	0.00
1993	38	33	0.90 (2.6" snow)
1994	63	50	0.71

1995	42	37	0.01
1996	49	35	T
1997	66	32	0.00
1998	53	29	0.00
1999	66	48	T

2000	51	27	0.00
2001	56	37	T
2002	47	25	T
2003	74	50	0.00
2004	58	47	T

2005	64	44	0.00
2006	68	48	T
2007	68	39	0.00
2008	67	39	0.00
2009	60	46	0.11

2010	48	34	0.04 (T snow)
2011	51	31	0.00
2012	47	42	0.02
2013	68	40	0.49
2014	50	41	0.06

2015	52	31	0.01
2016	50	31	T
2017	45	37	T
2018	61	38	0.23
2019	64	45	1.09

2020	45	28	0.00
2021	55	50	0.01
2022	61	37	0.01
2023	47	32	0.03 (0.2 snow)
2024	78	61	T

2025	47	41	0.40
2026
2027
2028
2029