Machesney Park climate

Machesney Park Weather in August

NOAA 1991-2020 normals for Beloit, 17.5 km from Machesney Park

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 60°F to 56°F. Normal precipitation for the month is 4.14 in over about 9 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Machesney Park, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
58°F
Precipitation
4.14 in
Record high
104°FAug 16, 1988
Record low
41°FAug 25, 1958
Chance of a freeze
0%
Days of 90°F or more
2.5
Daylight
14 h 26 min to 13 h 12 min
Cloud cover
52%
Humidity
76%
Dew point
62°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 179°F60°F101°F 198851°F 199028%0%
Aug 279°F60°F99°F 198849°F 200928%0%
Aug 379°F59°F99°F 198849°F 197628%0%
Aug 479°F59°F98°F 198847°F 197828%0%
Aug 579°F59°F94°F 202449°F 197828%0%
Aug 679°F59°F94°F 198448°F 199428%0%
Aug 779°F59°F94°F 200149°F 198928%0%
Aug 879°F59°F98°F 198846°F 197628%0%
Aug 979°F59°F97°F 200548°F 196428%0%
Aug 1079°F59°F94°F 195851°F 197228%0%
Aug 1179°F59°F94°F 200247°F 198228%0%
Aug 1279°F59°F95°F 199544°F 196728%0%
Aug 1379°F59°F94°F 199547°F 200428%0%
Aug 1478°F59°F96°F 198843°F 196428%0%
Aug 1578°F59°F99°F 198846°F 197928%0%
Aug 1678°F58°F104°F 198844°F 199228%0%
Aug 1778°F58°F102°F 198847°F 199228%0%
Aug 1878°F58°F94°F 195545°F 196328%0%
Aug 1978°F58°F99°F 198350°F 197728%0%
Aug 2078°F58°F98°F 195548°F 196728%0%
Aug 2178°F58°F100°F 195546°F 195628%0%
Aug 2278°F58°F93°F 197148°F 196928%0%
Aug 2377°F57°F97°F 202349°F 195128%0%
Aug 2477°F57°F97°F 202346°F 198427%0%
Aug 2577°F57°F97°F 200341°F 195827%0%
Aug 2677°F57°F97°F 195343°F 196427%0%
Aug 2777°F57°F98°F 202446°F 196827%0%
Aug 2877°F56°F97°F 195541°F 198627%0%
Aug 2976°F56°F96°F 198443°F 196527%0%
Aug 3076°F56°F99°F 195348°F 197627%0%
Aug 3176°F56°F101°F 195345°F 196727%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Machesney Park, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:49 AM, sunset 8:15 PM
August 31
sunrise 6:20 AM, sunset 7:32 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00470696 (Beloit), public domain. Records: NOAA GHCN-Daily, station USW00094822, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.