Lewiston, ID Weather

Lewiston, ID climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 87.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 28.00 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 28 degrees Fahrenheit, and fairly limited during winter with an average difference of 13 degrees Fahrenheit.

The annual average precipitation at Lewiston is 12.74 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.56 Inches.

Weather Data

Current Conditions

(Updated: 10:56 PM PST MON NOV 23 2009)

Fair, 44°F	Humidity: 47%	Dewpoint: 25°F
	Wind Speed: S 15.0 MPH (13 KT)	Heat Index: 44°F
	Barometer: 30.34 in.	Wind Chill: 37°F

Weather Forecast

(Generated: 7:19 PM PST MON NOV 23 2009)

		Tonight: Cloudy. A 30 percent chance of rain or snow overnight. Snow level 3000 feet. Lows in the lower to mid 30s.
	Lo: 33°F
	Hi: 45°F	Tuesday: Mostly cloudy. A 20 percent chance of rain showers in the morning. Snow level 3000 feet in the morning. Highs in the 40s.
	Lo: 31°F
	Hi: 46°F	Wednesday: Mostly sunny. Highs in the lower 40s to lower 50s.
	Lo: 37°F
	Hi: 47°F	Thanksgiving day: Mostly cloudy. Highs in the mid to upper 40s. Lows in the mid to upper 30s.
	Lo: 37°F
	Hi: 45°F	Friday: Mostly cloudy with a 50 percent chance of rain. Highs in the 40s.
	Lo: 33°F
	Hi: 40°F	Saturday: Mostly cloudy. Highs in the mid 30s to mid 40s. Lows in the mid 20s to lower 30s.
	Lo: 26°F
	Hi: 40°F	Sunday: Mostly cloudy. Highs in the mid 30s to mid 40s. Lows in the mid 20s to lower 30s.
	Lo: 26°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:26 AM PST	Sunrise: 7:00 AM PST
		Sunset: 4:08 PM PST	Civil Twilight: 4:41 PM PST

Normal Climate

Normal Temperatures

(LEWISTON AP Weather station, 3.23 miles from Lewiston)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	39.4	45.6	53.8	61.6	70.0	78.0	87.6	87.6	76.7	62.0	46.8	39.2	62.4
Mean °F	33.7	38.4	44.7	51.1	58.5	65.8	73.5	73.4	63.8	51.6	40.4	33.9	52.4
Min °F	28.0	31.2	35.6	40.6	47.0	53.6	59.3	59.3	50.9	41.2	34.1	28.5	42.4

Normal Precipitation