Westmont, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Westmont now
Loading the National Weather Service forecast…
Westmont weather by the hour
Westmont weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Westmont.
This week in Westmont
Sunrise, sunset and moon in Westmont
What is the weather usually like in Westmont?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 15°F average low
- 40.2 inprecipitation per year · 1,021 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Westmont: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LISLE-MORTON ARBORETUM, IL US (USC00115097), adjusted for the elevation of Westmont.
Westmont weather month by month
Sunrise and sunset in Westmont through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:15 AM | 4:47 PM | 9 h 32 min |
| February | 6:45 AM | 5:26 PM | 10 h 40 min |
| March | 7:01 AM | 6:59 PM | 11 h 58 min |
| April | 6:09 AM | 7:34 PM | 13 h 24 min |
| May | 5:30 AM | 8:06 PM | 14 h 36 min |
| June | 5:14 AM | 8:30 PM | 15 h 15 min |
| July | 5:28 AM | 8:26 PM | 14 h 57 min |
| August | 5:59 AM | 7:53 PM | 13 h 54 min |
| September | 6:31 AM | 7:02 PM | 12 h 31 min |
| October | 7:03 AM | 6:12 PM | 11 h 9 min |
| November | 6:40 AM | 4:32 PM | 9 h 52 min |
| December | 7:10 AM | 4:23 PM | 9 h 12 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Westmont?
Westmont has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 15°F (-10°C).
It gets about 40.2 inches (1,021 mm) of precipitation a year. The wettest month is May and the driest is February.
The best time to visit Westmont is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Westmont
Weather in towns near Westmont
Questions about the weather in Westmont
What is the hottest month in Westmont?
July, with an average high of 84°F (29°C).
What is the coldest month in Westmont?
January, with an average low of 15°F (-10°C).
How much does it rain in Westmont?
About 40.2 inches (1,021 mm) a year; the wettest month is May.
Does it snow in Westmont?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Westmont?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Westmont have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Westmont in November?
Highs average 48°F and lows 30°F, with about 2.8 inches of precipitation.
What time is sunrise in Westmont?
Around 6:40 AM in mid-November, and sunset around 4:32 PM. Today’s exact times are shown above.
Where does this Westmont weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Westmont.
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