Weather History for Alton, IL

Change the Weather History Date:

Saturday, January 18, 2014

  Actual Average Record
Temperature  
Mean Temperature 26 °F -  
Max Temperature 39 °F 34 °F 48 °F (2013)
Min Temperature 12 °F 21 °F 0 °F (1997)
Degree Days  
Heating Degree Days 40    
Moisture  
Dew Point 19 °F    
Average Humidity 79    
Maximum Humidity 93    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Jan. 18, 2014 Rise Set
Actual Time 7:15 AM CST 5:05 PM CST
Civil Twilight 6:46 AM CST 5:34 PM CST
Nautical Twilight 6:14 AM CST 6:07 PM CST
Astronomical Twilight 5:42 AM CST 6:39 PM CST
Moon 7:45 PM CST (1/18) 8:17 AM CST (1/18)
Length of Visible Light 10h 47m
Length of Day
9h 49m
Waning Gibbous, 94% of the Moon is Illuminated
Jan 18
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 16.3 °F - 11.5 °F 81% 30.06 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 16.9 °F - 11.8 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 16.3 °F - 11.5 °F 81% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 16.5 °F - 11.3 °F 80% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 15.6 °F 8.3 °F 10.9 °F 82% 30.05 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:55 AM 15.4 °F - 10.4 °F 80% 30.05 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 12.4 °F - 8.6 °F 85% 30.04 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 13.5 °F 7.5 °F 10.0 °F 86% 30.03 in 10.0 mi South 3.5 mph - N/A   Clear
2:55 AM 13.5 °F - 10.2 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 14.4 °F - 10.6 °F 85% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 15.1 °F 6.4 °F 11.1 °F 84% 30.01 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:55 AM 16.0 °F 5.3 °F 12.0 °F 84% 30.01 in 10.0 mi South 8.1 mph - N/A   Clear
4:15 AM 17.1 °F 8.7 °F 12.9 °F 84% 29.99 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
4:35 AM 18.3 °F 8.2 °F 13.8 °F 83% 29.99 in 10.0 mi South 8.1 mph - N/A   Overcast
4:55 AM 18.9 °F 7.2 °F 13.1 °F 78% 29.97 in 10.0 mi South 10.4 mph - N/A   Overcast
5:15 AM 19.4 °F 7.9 °F 13.1 °F 76% 29.98 in 10.0 mi South 10.4 mph - N/A   Overcast
5:35 AM 19.8 °F 7.7 °F 13.1 °F 75% 29.97 in 10.0 mi South 11.5 mph - N/A   Overcast
5:55 AM 20.1 °F 9.5 °F 13.5 °F 75% 29.95 in 10.0 mi SSE 9.2 mph - N/A   Overcast
6:45 AM 21.2 °F 8.3 °F 14.0 °F 74% 29.91 in 10.0 mi SSE 13.8 mph - N/A   Overcast
8:50 AM 24.8 °F 11.9 °F 12.2 °F 59% 29.78 in 10.0 mi SE 16.1 mph - N/A   Overcast
9:50 AM 30.2 °F 18.1 °F 8.6 °F 40% 29.76 in 10.0 mi South 18.4 mph - N/A   Overcast
10:45 AM 32.0 °F 20.8 °F 8.6 °F 38% 29.72 in 10.0 mi South 17.3 mph 28.8 mph N/A   Overcast
11:50 AM 33.8 °F 26.4 °F 12.2 °F 41% 29.69 in 10.0 mi SSW 9.2 mph 17.3 mph N/A   Overcast
12:50 PM 32.0 °F 22.5 °F 28.4 °F 87% 29.67 in 10.0 mi SW 12.7 mph - N/A   Overcast
1:15 PM 32.0 °F 23.0 °F 30.2 °F 93% 29.67 in 10.0 mi SSW 11.5 mph - N/A   Overcast
1:50 PM 33.8 °F 26.4 °F 32.0 °F 93% 29.67 in 7.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
2:50 PM 37.4 °F 30.8 °F 32.0 °F 81% 29.68 in 7.0 mi WSW 9.2 mph - N/A   Overcast
3:50 PM 39.2 °F 33.0 °F 32.0 °F 75% 29.69 in 7.0 mi WSW 9.2 mph - N/A   Overcast
4:50 PM 39.2 °F 32.0 °F 32.0 °F 75% 29.71 in 7.0 mi WSW 11.5 mph - N/A   Overcast
6:50 PM 37.4 °F 28.2 °F 33.8 °F 87% 29.78 in 10.0 mi West 16.1 mph - N/A Rain Light Rain
7:50 PM 35.6 °F 25.9 °F 33.8 °F 93% 29.82 in 10.0 mi West 16.1 mph - N/A   Light Drizzle
8:50 PM 33.8 °F 22.8 °F 32.0 °F 93% 29.86 in 10.0 mi West 18.4 mph - N/A   Overcast
9:15 PM 33.8 °F 23.9 °F 32.0 °F 93% 29.87 in 10.0 mi NW 15.0 mph 26.5 mph N/A   Overcast
9:35 PM 33.1 °F 21.9 °F 30.0 °F 89% 29.88 in 10.0 mi NW 18.4 mph 25.3 mph N/A   Overcast
9:50 PM - - - N/A% 29.91 in 10.0 mi WNW 20.7 mph - N/A   Overcast
9:55 PM 32.2 °F 20.4 °F 27.5 °F 83% 29.91 in 10.0 mi NW 19.6 mph 29.9 mph N/A   Overcast
10:15 PM 31.6 °F 21.2 °F 26.2 °F 80% 29.92 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Overcast
10:35 PM 31.1 °F 20.1 °F 26.2 °F 82% 29.94 in 10.0 mi NW 16.1 mph 20.7 mph N/A   Overcast
10:55 PM 30.2 °F 20.2 °F 24.8 °F 80% 29.96 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Overcast
11:15 PM 29.1 °F 17.5 °F 23.7 °F 80% 29.97 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Overcast
11:35 PM 28.4 °F 15.8 °F 23.4 °F 81% 29.98 in 10.0 mi WNW 18.4 mph 27.6 mph N/A   Overcast
11:55 PM 27.5 °F 15.4 °F 22.1 °F 80% 29.98 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Overcast