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Weather can't be forecast more than a week or so in advance,
but weather averages are good indicators of what to expect any month.
All temperatures are in degrees Fahrenheit.
Precipitation is in inches.

Month	Average High	Average Low	Warmest Ever	Coldest Ever	Average Dew Point	Precipitation
January	35	19	73	-21	18	1.8
February	38	22	78	-24	22	1.7
March	50	32	91	-12	31	3.1
April	63	43	90	17	41	3.6
May	74	53	101	28	51	3.8
June	84	63	104	40	61	3.9
July	88	67	112	48	65	3.3
August	85	65	108	43	64	3.1
September	79	57	101	32	56	3.3
October	67	46	93	13	44	2.6
November	51	34	83	-3	33	2.4
December	38	24	74	-21	24	2.1

 

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Page Last Updated October 20, 2008