Lake Forest Weather History

Illinois, United States of America

Weather on a past date in Lake Forest

Any date from 1 January 2009 to yesterday.

Wed 11 Nov, 2026 Weather in Lake Forest

Sunrise: 06:37 AM
Sunset: 04:33 PM		Moonrise: 09:32 AM
Moonset: 06:02 PM		Max:
12.4 °c		Min:
7.2 °c		Avg:
9.1 °c		Precip:
2.80 mm		Max Wind:
23.0 kph
 
Wed 11
0:00 am
Wed 11
3:00 am
Wed 11
6:00 am
Wed 11
9:00 am
Wed 11
12:00 pm
Wed 11
3:00 pm
Wed 11
6:00 pm
Wed 11
9:00 pm
IconOvercastOvercastOvercastPatchy rain possiblePatchy rain possiblePatchy rain possibleCloudyPartly cloudy
Temp8.8°c8.1°c8.1°c10.1°c12.4°c9.6°c8.4°c7.6°c
Wind4.7 kmph1.4 kmph2.9 kmph5.8 kmph9.7 kmph23.0 kmph13.3 kmph13.0 kmph
Precip0.00 mm0.00 mm0.00 mm0.20 mm0.20 mm0.40 mm0.00 mm0.00 mm
Cloud93%98%98%100%100%100%64%46%
Humidity75%73%75%69%67%85%86%83%
Pressure1016 mb1014 mb1012 mb1012 mb1010 mb1010 mb1011 mb1011 mb

Lake Forest Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January-2°C / 29°F-7°C / 19°F-4°C / 24°F113 hours55.18 mm / 2.17 In8 days1019 mb / 31 In
February0°C / 32°F-6°C / 22°F-3°C / 27°F117 hours62.42 mm / 2.46 In7 days1019 mb / 31 In
March6°C / 42°F-0°C / 32°F3°C / 37°F142 hours95.48 mm / 3.76 In8 days1018 mb / 31 In
April11°C / 51°F4°C / 40°F7°C / 45°F141 hours139.49 mm / 5.49 In9 days1014 mb / 30 In
May16°C / 61°F10°C / 50°F13°C / 55°F188 hours146.30 mm / 5.76 In10 days1015 mb / 30 In
June22°C / 72°F16°C / 61°F19°C / 66°F222 hours162.57 mm / 6.40 In10 days1013 mb / 30 In
July26°C / 78°F20°C / 67°F23°C / 73°F241 hours117.48 mm / 4.63 In8 days1015 mb / 30 In
August26°C / 78°F19°C / 67°F22°C / 72°F239 hours122.84 mm / 4.84 In9 days1015 mb / 30 In
September22°C / 72°F16°C / 61°F19°C / 67°F221 hours93.06 mm / 3.66 In6 days1017 mb / 31 In
October16°C / 60°F10°C / 50°F13°C / 55°F171 hours102.68 mm / 4.04 In7 days1016 mb / 30 In
November8°C / 47°F3°C / 37°F5°C / 42°F170 hours73.61 mm / 2.90 In5 days1019 mb / 31 In
December2°C / 36°F-3°C / 27°F-0°C / 32°F121 hours65.89 mm / 2.59 In6 days1018 mb / 31 In

Need more than one day of Lake Forest history?

Download historical weather for Lake Forest, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Lake Forest

Region

Illinois

See the Lake Forest 14-day forecast »

Hotels near Lake Forest

Lake Forest weather history: common questions

How far back does Lake Forest weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Lake Forest historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.

Sign up free Read the docs