Weather — August 2011

Temperatures for the 27th are estimates based on Rock County Airport data (our sensor battery died).

Date Day Low
(°F)
High
(°F)
Precipitation (inches)
8/31Wed 63.5°84.6°Rain 0.29″
Rain ending by 2 a.m. Becoming mostly sunny in the morning, with winds calm to light and variable
8/30Tue 60.4°74.1°Next day
Cloudy with generally calm wind; rain after 7 p.m.
8/29Mon 57.0°80.8° 
Sunny and calm, with low humidity
8/28Sun 60.1°80.6° 
Sunny and mild, with light northerly breezes
8/27Sat 67°86° 
Partly to mostly cloudy, with light northerly breezes
8/26Fri 60.3°82.8° 
Sunny with a light southwest breeze
8/25Thu 62.8°81.1° 
Sunny with a light northwest breeze
8/24Wed 68.0°90.5° 
Fair and humid in the morning; mostly cloudy in the afternoon; clearing toward evening, and much less humid. Breezy, from the west
8/23Tue 63.5°78.1°Rain 1.08″
Thunderstorms 7 to 10 a.m. Rain ending by noon. Mostly cloudy with southerly breezes
8/22Mon 60.4°85.5° 
Variable clouds; light and variable winds
8/21Sun 63.1°83.3°Rain 0.02″
Fair early, with winds calm to light northwest; some clouds and a bit of light rain in the afternoon
8/20Sat 64.8°82.6°Rain 0.24″
Morning thunderstorms (6 to 9 a.m.), then partly cloudy with light and variable breezes. Mostly cloudy toward evening
8/19Fri 62.6°88.9° 
Sunny and calm early; becoming partly cloudy with light south breezes becoming southwest by mid-afternoon
8/18Thu 61.3°86.2° 
Clear and calm early; light westerly breezes in the afternoon
8/17Wed 63.7°86.4° 
Variable clouds, a bit more humidity, and southwest breezes
8/16Tue 61.5°84.6° 
Clear and calm in the morning; light southerly breezes developing by late morning
8/15Mon 57.7°84.2° 
Becoming partly cloudy with light and variable winds; clear and calm after dark
8/14Sun 61.2°77.9° 
Mostly cloudy with a north breeze; gradual clearing in the afternoon
8/13Sat 65.8°81.5° 
Mostly cloudy with light and variable winds
8/12Fri 60.6°83.5°Rain 0.30″
Partly sunny early, then mostly cloudy after 1 p.m. with light southerly breezes. Rain showers between 8 and 10 p.m.
8/11Thu 56.7°82.8° 
Clear and calm early, then sunny with light southwest breezes
8/10Wed 59.7°80.4° 
Mostly sunny and mild, with a light northwest breeze
8/9Tue 65.1°81.5° 
Mostly sunny and less humid, with fairly strong westerly breezes
8/8Mon 66.7°81.7°Rain 0.34″
Partly sunny and calm; light rain in the afternoon and more rain in the evening
8/7Sun 71.8°91.0°Rain 0.12″
Occasional light rain early, then partly sunny with light westerly breezes
8/6Sat 71.4°89.2° 
Partly sunny with calm winds
8/5Fri 69.6°89.4° 
Partly sunny with a light east breeze
8/4Thu 67.8°91.8° 
Clear and calm early; becoming mostly cloudy by mid-afternoon, with light east breezes
8/3Wed 73.2°90.0° 
Sunny and less humid, with a north breeze becoming calm by nightfall
8/2Tue 77.0°97.0° 
Cloudy/hazy early, with a light southerly breeze, and muggy. Partly cloudy midday, then cloudy and very muggy with distant thunder around 4:45 p.m. (see note at bottom of page). Northwest winds after that, but still muggy.
8/1Mon 72.0°95.0° 
Fair and calm early; increasing clouds in the afternoon, with winds calm to light westerly. Muggy.

On the afternoon of August 2, the north side of Janesville received rain, but we didn’t. The Rock County Airport reported 93° at 4:45 p.m. with a dew point of 79° yielding a heat index of 110°.