Watertown, IL
Historical community (former settlement) in Richland County, Illinois
Watertown is a historical community (former settlement) in Richland County, Illinois. It is 2.0 miles E of Olney, the nearest town. Its ZIP code is 62450.
Watertown at a glance
- State
- Illinois
- County
- Richland County
- ZIP code
- 62450
- Nearest town
- Olney (2.0 mi)
- Time zone
- America/Chicago
- Coordinates
- 38.7217, -88.1200
Weather in Watertown now
Loading the National Weather Service forecast…
Watertown weather by the hour
Watertown weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Watertown.
This week in Watertown
Sunrise, sunset and moon in Watertown
What is the weather usually like in Watertown?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 21°F average low
- 48.8 inprecipitation per year · 1,239 mm
- 10.5 insnowfall per year · 27 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Watertown: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station OLNEY 2S, IL US (USC00116446), adjusted for the elevation of Watertown.
Watertown weather month by month
Sunrise and sunset in Watertown through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:07 AM | 4:56 PM | 9 h 49 min |
| February | 6:41 AM | 5:31 PM | 10 h 49 min |
| March | 7:01 AM | 7:00 PM | 11 h 58 min |
| April | 6:14 AM | 7:30 PM | 13 h 16 min |
| May | 5:38 AM | 7:59 PM | 14 h 20 min |
| June | 5:25 AM | 8:20 PM | 14 h 54 min |
| July | 5:38 AM | 8:18 PM | 14 h 39 min |
| August | 6:05 AM | 7:48 PM | 13 h 43 min |
| September | 6:32 AM | 7:02 PM | 12 h 29 min |
| October | 7:00 AM | 6:15 PM | 11 h 15 min |
| November | 6:33 AM | 4:40 PM | 10 h 7 min |
| December | 7:01 AM | 4:33 PM | 9 h 31 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Watertown?
Watertown has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 21°F (-6°C).
It gets about 48.8 inches (1,239 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 10 inches fall in an average year.
The best time to visit Watertown is May and August to October. 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.
Webcams near Watertown
The closest live webcam is Purcell: US 41: 2-041-050-0-1-rwis VINCENNES, 32.3 miles E of Watertown.
Webcams: Windy.com. Distances in a straight line from Watertown.
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Map of Watertown, IL
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Watertown Street View
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Questions about Watertown
Where is Watertown, IL?
Watertown is a historical community (former settlement) in Richland County, Illinois, 2.0 miles E of Olney.
What county is Watertown in?
Watertown is in Richland County, Illinois.
What is the ZIP code of Watertown, IL?
The ZIP code for Watertown is 62450.
What is the nearest town to Watertown?
Olney, 2.0 miles away.
Are there webcams near Watertown?
Yes. The closest is Purcell: US 41: 2-041-050-0-1-rwis VINCENNES, 32.3 miles away.
What is the hottest month in Watertown?
July, with an average high of 87°F (30°C).
What is the coldest month in Watertown?
January, with an average low of 21°F (-6°C).
How much does it rain in Watertown?
About 48.8 inches (1,239 mm) a year; the wettest month is May.
Does it snow in Watertown?
Yes, about 10 inches of snow fall in an average year.
When is the best time to visit Watertown?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Watertown have?
Hot-summer humid continental (Köppen Dfa).
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