Temperatures for the 27th are estimates based on Rock County Airport data (our sensor battery died).
| Date | Day | Low (°F) |
High (°F) |
Precipitation (inches) |
|---|---|---|---|---|
| 8/31 | Wed | 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 | ||||
| 8/30 | Tue | 60.4° | 74.1° | Next day |
| Cloudy with generally calm wind; rain after 7 p.m. | ||||
| 8/29 | Mon | 57.0° | 80.8° | |
| Sunny and calm, with low humidity | ||||
| 8/28 | Sun | 60.1° | 80.6° | |
| Sunny and mild, with light northerly breezes | ||||
| 8/27 | Sat | 67° | 86° | |
| Partly to mostly cloudy, with light northerly breezes | ||||
| 8/26 | Fri | 60.3° | 82.8° | |
| Sunny with a light southwest breeze | ||||
| 8/25 | Thu | 62.8° | 81.1° | |
| Sunny with a light northwest breeze | ||||
| 8/24 | Wed | 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 | ||||
| 8/23 | Tue | 63.5° | 78.1° | Rain 1.08″ |
| Thunderstorms 7 to 10 a.m. Rain ending by noon. Mostly cloudy with southerly breezes | ||||
| 8/22 | Mon | 60.4° | 85.5° | |
| Variable clouds; light and variable winds | ||||
| 8/21 | Sun | 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 | ||||
| 8/20 | Sat | 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 | ||||
| 8/19 | Fri | 62.6° | 88.9° | |
| Sunny and calm early; becoming partly cloudy with light south breezes becoming southwest by mid-afternoon | ||||
| 8/18 | Thu | 61.3° | 86.2° | |
| Clear and calm early; light westerly breezes in the afternoon | ||||
| 8/17 | Wed | 63.7° | 86.4° | |
| Variable clouds, a bit more humidity, and southwest breezes | ||||
| 8/16 | Tue | 61.5° | 84.6° | |
| Clear and calm in the morning; light southerly breezes developing by late morning | ||||
| 8/15 | Mon | 57.7° | 84.2° | |
| Becoming partly cloudy with light and variable winds; clear and calm after dark | ||||
| 8/14 | Sun | 61.2° | 77.9° | |
| Mostly cloudy with a north breeze; gradual clearing in the afternoon | ||||
| 8/13 | Sat | 65.8° | 81.5° | |
| Mostly cloudy with light and variable winds | ||||
| 8/12 | Fri | 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. | ||||
| 8/11 | Thu | 56.7° | 82.8° | |
| Clear and calm early, then sunny with light southwest breezes | ||||
| 8/10 | Wed | 59.7° | 80.4° | |
| Mostly sunny and mild, with a light northwest breeze | ||||
| 8/9 | Tue | 65.1° | 81.5° | |
| Mostly sunny and less humid, with fairly strong westerly breezes | ||||
| 8/8 | Mon | 66.7° | 81.7° | Rain 0.34″ |
| Partly sunny and calm; light rain in the afternoon and more rain in the evening | ||||
| 8/7 | Sun | 71.8° | 91.0° | Rain 0.12″ |
| Occasional light rain early, then partly sunny with light westerly breezes | ||||
| 8/6 | Sat | 71.4° | 89.2° | |
| Partly sunny with calm winds | ||||
| 8/5 | Fri | 69.6° | 89.4° | |
| Partly sunny with a light east breeze | ||||
| 8/4 | Thu | 67.8° | 91.8° | |
| Clear and calm early; becoming mostly cloudy by mid-afternoon, with light east breezes | ||||
| 8/3 | Wed | 73.2° | 90.0° | |
| Sunny and less humid, with a north breeze becoming calm by nightfall | ||||
| 8/2 | Tue | 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. | ||||
| 8/1 | Mon | 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°.