Oak Park climate

Oak Park Weather in May

NOAA 1991-2020 normals for Louisville Mcalpine, 8.9 km from Oak Park

Average highs run from 73°F on May 1 to 81°F on May 31, and lows from 53°F to 63°F. Normal precipitation for the month is 4.81 in over about 12 wet days.

May day by day

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

Normal daily high and low temperature at Oak Park, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
77°F
Average low
58°F
Precipitation
4.81 in
Record high
97°FMay 27, 2012
Record low
31°FMay 9, 2020
Chance of a freeze
1%
Days of 90°F or more
1.9
Daylight
13 h 48 min to 14 h 39 min
Cloud cover
65%
Humidity
80%
Dew point
58°F
Wind
7.4 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
May 173°F53°F85°F 201241°F 202141%0%
May 273°F54°F90°F 201241°F 202141%0%
May 374°F54°F89°F 201339°F 202641%0%
May 474°F55°F93°F 201237°F 202641%0%
May 574°F55°F88°F 201239°F 201140%0%
May 674°F55°F95°F 201245°F 201740%0%
May 775°F56°F86°F 201441°F 202640%0%
May 875°F56°F88°F 201542°F 201740%0%
May 975°F56°F88°F 201531°F 202040%0%
May 1075°F57°F87°F 201132°F 202040%0%
May 1175°F57°F89°F 201138°F 202040%0%
May 1276°F57°F89°F 201140°F 202039%0%
May 1376°F58°F88°F 201440°F 202039%0%
May 1476°F58°F88°F 201443°F 202139%0%
May 1576°F58°F92°F 201843°F 201639%0%
May 1677°F59°F91°F 201841°F 201638%0%
May 1777°F59°F89°F 201840°F 201638%0%
May 1877°F59°F89°F 201840°F 201638%0%
May 1978°F60°F90°F 201841°F 201438%0%
May 2078°F60°F91°F 202644°F 201437%0%
May 2178°F60°F90°F 201350°F 201537%0%
May 2278°F60°F91°F 202244°F 201537%0%
May 2379°F61°F89°F 201144°F 201537%0%
May 2479°F61°F91°F 201948°F 202537%0%
May 2579°F61°F93°F 201245°F 201337%0%
May 2680°F62°F93°F 201245°F 201336%0%
May 2780°F62°F97°F 201253°F 201736%0%
May 2880°F62°F92°F 201254°F 202236%0%
May 2981°F62°F92°F 201154°F 202136%0%
May 3081°F63°F95°F 201144°F 202136%0%
May 3181°F63°F97°F 201141°F 202136%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oak Park, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:46 AM, sunset 8:34 PM
May 31
sunrise 6:21 AM, sunset 9:00 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00154955 (Louisville Mcalpine), public domain. Records: NOAA GHCN-Daily, station USC00154955, 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.