Today
Mostly clear throughout the day, high +55°, low +46°. Light wind, up to 9 mph. The day promises to be dry.
Weather in Forest Park
United States · Illinois · 41.8795, -87.8137
Today Now 9:05 AM
+46° Mostly clear
Hourly forecast
Today10/17
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +61° and clear, nighttime low +46°, about 5° warmer.
Week
During the week the thermometer stays between +46°…+66°. Weekly maximum — +66° (Wed). Coldest at night — Sat, +46°. No precipitation expected this week. Clear days — 8.
Week vs norm
- Today 10/17 +55° −6° usually +62°
- Tomorrow 10/18 +61° as usual usually +61°
- Mon 10/19 +63° +2° usually +61°
- Tue 10/20 +63° +2° usually +60°
- Wed 10/21 +66° +7° usually +60°
- Thu 10/22 +66° +7° usually +59°
- Fri 10/23 +66° +7° usually +59°
- Sat 10/24 +63° +4° usually +58°
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 +78° 2016
- Cold record +33° 1992
- Most precipitation 1.0 in 2006
- Strongest gust 46 mph 2022
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Forest Park
Today is about 7° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +31° / +20° | +25° | 2.5 |
| Feb | +34° / +22° | +28° | 2.2 |
| Mar | +45° / +31° | +37° | 2.9 |
| Apr | +56° / +41° | +48° | 4.3 |
| May | +67° / +53° | +59° | 4.3 |
| Jun | +78° / +64° | +70° | 4.1 |
| Jul | +82° / +69° | +75° | 3.7 |
| Aug | +80° / +67° | +73° | 3.7 |
| Sep | +74° / +60° | +67° | 2.9 |
| Oct | +62° / +49° | +55° | 3.4 |
| Nov | +48° / +37° | +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
1:56 PM | 10:49 PM
Moon phase
Waxing crescent 41%
Next solar eclipse
Calculating for this city…