Amboy, IL Weather
Amboy, IL climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 82.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 9.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.
The annual average precipitation at Amboy is 37.28 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.88 Inches.
Weather Data
Weather Warnings
| Dense fog advisory in effect until 10 am cst Tuesday . |
Current Conditions
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Overcast, 39°F | Humidity: 93% | Dewpoint: 37°F |
| Wind Speed: E 8.1 MPH (7 KT) | Heat Index: 39°F | ||
| Barometer: 30.06 in. | Wind Chill: 33°F |
Weather Forecast
| Tonight: Mostly cloudy. Areas of fog. Temperatures nearly steady in the lower 40s. Southeast winds around 10 mph. | ||
| Lo: 40°F | ||
| Hi: 51°F | Tuesday: Cloudy. Areas of fog early in the morning. Slight chance of showers in the morning...Then showers likely in the afternoon. Highs in the lower 50s. Southeast winds 10 to 15 mph. Chance of precipitation 70 percent. | |
| Lo: 41°F | ||
| Hi: 45°F | Wednesday: Light showers likely. Highs in the mid 40s. West winds 10 to 15 mph. Chance of precipitation 60 percent. | |
| Lo: 31°F | ||
| Hi: 39°F | Thanksgiving day: Cloudy with a 50 percent chance of light snow showers and light rain showers. Highs in the upper 30s. | |
| Lo: 29°F | ||
| Hi: 40°F | Friday: Partly cloudy. Highs around 40. | |
| Lo: 29°F | ||
| Hi: 41°F | Saturday: Mostly clear. Lows in the upper 20s. Highs in the lower 40s. | |
| Lo: 29°F | ||
| Hi: 41°F | Sunday: Mostly clear. Lows in the upper 20s. Highs in the lower 40s. | |
| Lo: 29°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:26 AM CST |
Sunrise: 6:56 AM CST |
| Sunset: 4:30 PM CST |
Civil Twilight: 5:01 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 26.0 | 31.7 | 44.2 | 58.0 | 69.7 | 78.8 | 82.0 | 80.3 | 73.3 | 61.8 | 45.4 | 31.4 | 56.9 |
| Mean °F | 17.8 | 23.4 | 35.5 | 47.7 | 59.1 | 68.4 | 72.2 | 70.2 | 62.3 | 50.6 | 36.9 | 24.0 | 47.3 |
| Min °F | 9.5 | 15.0 | 26.7 | 37.4 | 48.5 | 58.0 | 62.3 | 60.0 | 51.2 | 39.4 | 28.4 | 16.5 | 37.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.60 | 1.43 | 2.55 | 3.61 | 4.32 | 4.88 | 3.45 | 4.47 | 3.31 | 2.71 | 2.82 | 2.13 | 37.28 |

