Weir, IL
Unincorporated community in Clark County, Illinois
Weir is a small unincorporated community in Clark County, Illinois. It is 6.9 miles NW of Martinsville, the nearest town. Its ZIP code is 62442.
Weir at a glance
- State
- Illinois
- County
- Clark County
- ZIP code
- 62442
- Nearest town
- Martinsville (6.9 mi)
- Time zone
- America/Chicago
- Coordinates
- 39.2678, -87.7903
Weather in Weir now
Loading the National Weather Service forecast…
Weir weather by the hour
Weir weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Weir.
This week in Weir
Sunrise, sunset and moon in Weir
What is the weather usually like in Weir?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 19°F average low
- 45.5 inprecipitation per year · 1,157 mm
- 11.9 insnowfall per year · 30 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Weir: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CASEY, IL US (USC00111329), adjusted for the elevation of Weir.
Weir weather month by month
Sunrise and sunset in Weir through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:07 AM | 4:53 PM | 9 h 46 min |
| February | 6:41 AM | 5:29 PM | 10 h 48 min |
| March | 7:00 AM | 6:59 PM | 11 h 58 min |
| April | 6:12 AM | 7:29 PM | 13 h 17 min |
| May | 5:35 AM | 7:59 PM | 14 h 23 min |
| June | 5:22 AM | 8:20 PM | 14 h 58 min |
| July | 5:35 AM | 8:18 PM | 14 h 42 min |
| August | 6:03 AM | 7:48 PM | 13 h 45 min |
| September | 6:31 AM | 7:01 PM | 12 h 29 min |
| October | 6:59 AM | 6:13 PM | 11 h 13 min |
| November | 6:33 AM | 4:38 PM | 10 h 4 min |
| December | 7:02 AM | 4:30 PM | 9 h 28 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Weir?
Weir has a hot-summer humid continental climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 19°F (-7°C).
It gets about 45.5 inches (1,157 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 12 inches fall in an average year.
The best time to visit Weir 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 Weir
The closest live webcam is State Line: I-70: 1-070-000-9-1 @ NATIONAL AVE, 18.9 miles NE of Weir.
Webcams: Windy.com. Distances in a straight line from Weir.
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Map of Weir, IL
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Weir Street View
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Other communities near Weir
Questions about Weir
Where is Weir, IL?
Weir is an unincorporated community in Clark County, Illinois, 6.9 miles NW of Martinsville.
What county is Weir in?
Weir is in Clark County, Illinois.
What is the ZIP code of Weir, IL?
The ZIP code for Weir is 62442.
What is the nearest town to Weir?
Martinsville, 6.9 miles away.
Are there webcams near Weir?
Yes. The closest is State Line: I-70: 1-070-000-9-1 @ NATIONAL AVE, 18.9 miles away.
What is the hottest month in Weir?
July, with an average high of 88°F (31°C).
What is the coldest month in Weir?
January, with an average low of 19°F (-7°C).
How much does it rain in Weir?
About 45.5 inches (1,157 mm) a year; the wettest month is June.
Does it snow in Weir?
Yes, about 12 inches of snow fall in an average year.
When is the best time to visit Weir?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Weir have?
Hot-summer humid continental (Köppen Dfa).
Last updated: