Navigation

External Links

ThorntonWeather.com on Twitter

ThorntonWeather.com on Facebook

Alerts


No alerts
No Warnings, Watches, or Advisories

Current Radar
Thornton, Colorado current radar
Click for larger view 		Current Webcam
Thornton, Colorado current webcam image
Click for larger view 		Latest News
powered by Surfing Waves
spacer
METRIC | IMPERIAL
Updated: 27-Apr-2024 @ 2:40am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.1°F than last hour.

44.8°F

24-hr diff: -4.5°FColder 4.5°F than yesterday at this time.
Cold
High Today
45.0°F
1:59 AM 		Low Today
44.6°F
1:13 AM
Yest High
72.0°F
12:21 PM 		Yest Low
44.8°F
11:53 PM
Sta* High
81.0°F
2020 		Sta* Low
24.8°F
2008
* This Station's Records Since 11/2006
Night time, Dry, Overcast Night time, Dry, Overcast

Wind from NNW Wind:  NNW
4.2
Gusting to:
 4.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.6 of 100
Overnight

Overnight: Light Rain
Light Rain
Saturday

Saturday: Rain then Showers And Thunderstorms
Rain then Showers And T-Storms
Saturday
Night
Saturday Night: Showers And Thunderstorms
Showers And T-Storms
Lo 41°F ↑ Hi 42°F Lo 39°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.1°F since last hour. 41.8°F
Last Hour: Decreased 0.1°F since last hour. -0.1°F
High 12:35 AM: 42.1°F
Low 2:09 AM: 41.5°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 43.4°F
Rain Today
rain graph
Today: 0.00 in
Storm Rain: 0.37 in
Yesterday: 0.33 in
Last 7 Days: 0.80 in
Apr Rain: 1.54 in
Apr to Date
  Avg:10 		1.59 in
Apr to Date
  Diff from Avg:10 		Under 0.05 in for the month 0.05 in
Apr Avg: 1.52 in
Diff from Avg: Over 0.02 in for the month 0.02 in
Season:1 5.78 in
YTD
  Avg:11 		3.85 in
YTD
  Diff from Avg:11 		Over 1.93 in for the year 1.93 in
Last Rain
Time/Date: 		26-Apr-2024
at 10:53 PM
27 rain days in 2024
7 days in April
0 days since last rain
Current: NNW  4.2 mph
1Hr Average: 1.9 mph
Wind Run: 4.87 miles
Wind Gust
Current: 4.0 mph
Today: 8.1 mph 12:04 AM
Month: 36.0 mph 6-Apr
Year: 46.0 mph 10-Jan
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
13 h 47 m 23 s
of Sunlight Yesterday
13 h 49 m 43 s
of Sunlight Today Which is
2 min 20 sec longer than
yesterday
13 h 52 m 2 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Gibbous
Waning Gibbous, 18 days, 14 hours, 23 minutes in cycle
88%
Illuminated
Humidity Barometer
Current: No Change 89%
Last Hour: No Change 0%
High 12:00 AM: 90%
Low 2:09 AM: 88%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.015 inHg/hr 29.710 inHg
Last Hour: Steady
High 12:49 AM: 29.740
Low 2:19 AM: 29.705
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 2.1
Apr: 333.8
2024 to Date: 2918.6
Cooling Degree Days
2024 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Apr Snow: Under 0.924 in for the month 5.10 in
Apr Avg: 6.02 in
Diff from Avg: -0.92 in
Season Total:2 50.40 in
Snow Depth: 0.00 in
2 snow days in April
23 snow days this season.2
First Snow of Season:
29-Oct-2023
Average 1st Snow:
25 of Oct
Current: 42.7°F
Low 2:26 AM: 41.3°F
Yesterday: 40.9°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:
49

Good
Density:
1.25 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   7.4 @ 12:07 PM
Apr-27

6.7 		Apr-28

6.8 		Apr-29

7.4
High Yest:   1222.0 @ 1:28 PM
Sun Hours Today:
00:00
   This Month: 125:54 Hrs
Rise: 6:04 am  Set: 7:49 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 40.0°F
Sunrise: 6:04 am
Sunset: 7:49 pm
Moonrise: 11:12 pm
Moonset: 8:03 am
Full Moon: 23-Apr-2024
New Moon: 03:23 UTC
07-May-2024
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.80 in
7-Days ET: 1.17 in
7-Day: 0.369 in water in deficit of what evaporated in last 7 days. 0.369 in
April: 2.56 in water in deficit of what evaporated this month. 2.56 in
Support this Site!
Your donation helps support this site
HIGHS: LOWS:
102.9°F
25-Jun-2012 		-14.6°F
2-Feb-2011
Daytime Records
  100.4°F°F
23-Jun-2012 		  -8.1°F°F
22-Dec-2022
Nitetime Records
  88.0°F°F
15-Aug-2012 		  -10.7°F°F
02-Feb-2011
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:97%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 5AM and 5PM.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Colorado Department of Public Health & Environment.   10 Historical average only to day 27 of just the month of April for this station since 2006.   11 Historical average rain this season to day 27 of April for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Saturday
Overnight

Overnight: Light Rain
Light Rain

Lo 41°F ↑ 		NWS forecast: Rain and a chance of thunderstorms. Cloudy. Low around 41, with temperatures rising to around 43 overnight. North wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
 Saturday

Saturday: Rain then Showers And Thunderstorms
Rain then Showers And T-Storms

Hi 42°F 		NWS forecast: Rain and a slight chance of thunderstorms before noon, then showers and thunderstorms. Cloudy, with a high near 42. North wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
 NWS Short Term Weather Forecast
Saturday
Night
Saturday Night: Showers And Thunderstorms
Showers And T-Storms
Sunday

Sunday: Chance Rain Showers
Chance Rain Showers
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Monday

Monday: Sunny
Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Lo 39°F Hi 59°F Lo 39°F Hi 69°F Lo 43°F Hi 73°F Lo 44°F
ajax-dashboard6.php - Version 6.95h - 20-Feb-2023 - Script by: Scott of BurnsvilleWeatherLIVE.com
Now supported by Saratoga-weather.org Download