Weather in Lyons

United States · Illinois · 41.8134, -87.8181

Today Now 4:29 PM

+55° Mostly clear

Hourly forecast

Today10/17 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Lyons

Forecast in words

Today

Clear throughout the day, high +55°, low +48°. Wind up to 8 mph. The day promises to be dry.

Tomorrow

Tomorrow clear, high +61°, low +45°, about 5° warmer.

Week

During the week the thermometer stays between +45°…+70°. Peak warmth: Sat, +70°. Coldest at night — Sun, +45°. No rain in the forecast. Cloudless weather for 7 days. Warmer closer to the weekend.

Week vs norm

  1. Today 10/17 +55° −7° usually +62°
  2. Tomorrow 10/18 +61° as usual usually +62°
  3. Mon 10/19 +63° +1° usually +61°
  4. Tue 10/20 +63° +2° usually +61°
  5. Wed 10/21 +66° +6° usually +60°
  6. Thu 10/22 +66° +6° usually +60°
  7. Fri 10/23 +68° +9° usually +59°
  8. Sat 10/24 +70° +11° usually +59°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 17

Today is cooler than usual for this date.

  • Heat record +79° 2016
  • Cold record +32° 1992
  • Most precipitation 1.2 in 2006
  • Strongest gust 44 mph 2022

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Lyons

Today is about 8° colder than usual for October.

Climate normals by month, Lyons
Month Daytime / Nighttime Average Precipitation in
Jan +31° / +20° +25° 2.5
Feb +35° / +22° +28° 2.2
Mar +45° / +31° +37° 3.0
Apr +57° / +41° +48° 4.3
May +68° / +53° +60° 4.4
Jun +78° / +63° +70° 4.2
Jul +82° / +68° +74° 3.9
Aug +81° / +67° +73° 3.8
Sep +75° / +60° +67° 2.9
Oct +63° / +48° +55° 3.4
Nov +48° / +36° +42° 2.7
Dec +37° / +26° +31° 2.5

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:06 AM | 6:06 PM
Moon 1:55 PM | 10:49 PM
Moon phase Waxing crescent 41%
Next solar eclipse
Calculating for this city…

Weather in the region