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: 19-Mar-2024 @ 4:50am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.6°F than last hour.

31.1°F

Wind Chill:  31.1°F
24-hr diff: 1.7°FWarmer 1.7°F than yesterday at this time.
Cold
High Today
38.6°F
12:00 AM
Low Today
30.6°F
4:29 AM
Yest High
61.2°F
2:03 PM
Yest Low
27.3°F
6:57 AM
Sta* High
81.7°F
2017
Sta* Low
18.5°F
2016
* This Station's Records Since 11/2006
Night time, Dry, Clear skies Night time, Dry, Clear skies

Wind from S Wind:  S
0.1

Gusting to:
0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.2 of 100
Overnight

Overnight: Clear
Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Lo 32°F Hi 63°F Lo 34°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.6°F since last hour. 24.7°F
Last Hour: Decreased 0.6°F since last hour. -0.6°F
High 12:55 AM: 26.8°F
Low 4:28 AM: 24.0°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 28.9°F
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 1.73 in
Mar Rain: 1.79 in
Mar to Date
  Avg:10
0.63 in
Mar to Date
  Diff from Avg:10
Over 1.16 in for the month 1.16 in
Mar Avg: 1.17 in
Diff from Avg: Over 0.62 in for the month 0.62 in
Season:1 3.72 in
YTD
  Avg:11
1.66 in
YTD
  Diff from Avg:11
Over 2.06 in for the year 2.06 in
Last Rain
Time/Date:
15-Mar-2024
at 8:48 AM
16 rain days in 2024
4 days in March
3 days since last rain
Current: S  0.1 mph
1Hr Average: 0.5 mph
Wind Run: 2.47 miles
Wind Gust
Current: 0.0 mph
Today: 3.5 mph 12:27 AM
Month: 29.0 mph 2-Mar
Year: 46.0 mph 10-Jan
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
12 h 7 m 58 s
of Sunlight Yesterday
12 h 10 m 37 s
of Sunlight Today
Which is
2 min 39 sec longer than
yesterday
12 h 13 m 15 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waxing Gibbous
Waxing Gibbous, 9 days, 1 hours, 53 minutes in cycle
71%
Illuminated
Humidity Barometer
Current: No Change 77%
Last Hour: No Change 0%
High 4:30 AM: 78%
Low 12:00 AM: 61%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.002  inHg/hr 30.206 inHg
Last Hour: Steady
High 12:06 AM: 30.227
Low 4:14 AM: 30.199
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 5.3
Mar: 425.7
2024 to Date: 2315.4
Cooling Degree Days
2024 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Mar Snow: Over 0.652 in for the month 11.40 in
Mar Avg: 10.75 in
Diff from Avg: 0.65 in
Season Total:2 40.90 in
Snow Depth: 0.00 in
3 snow days in March
20 snow days this season.2
First Snow of Season:
29-Oct-2023
Average 1st Snow:
25 of Oct
Current: 31.1°F
Low 4:29 AM: 30.6°F
Yesterday: 26.9°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:

44


Good
Density:
1.30 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   4.5 @ 12:56 PM
Mar-19

4.5
Mar-20

4.6
Mar-21

5.0
High Yest:   812.0 @ 1:18 PM
Sun Hours Today:
00:00
   This Month: 59:55 Hrs
Rise: 7:03 am  Set: 7:10 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 35.3°F
Sunrise: 7:03 am
Sunset: 7:10 pm
Moonrise: 1:55 pm
Moonset: 4:40 am
Full Moon: 25-Mar-2024
New Moon: 18:21 UTC
08-Apr-2024
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 1.73 in
7-Days ET: 0.53 in
7-Day:  1.199 in water in excess of what evaporated in last 7 days. 1.199 in
March:  0.21 in water in excess of what evaporated this month. 0.21 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:99%
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 19 of just the month of March for this station since 2006.   11 Historical average rain this season to day 19 of March for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Tuesday
Overnight

Overnight: Clear
Clear

Lo 32°F
NWS forecast: Clear. Low around 32, with temperatures rising to around 35 overnight. Southwest wind around 6 mph.
Tuesday

Tuesday: Sunny
Sunny

Hi 63°F
NWS forecast: Sunny, with a high near 63. South southwest wind around 7 mph.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Lo 34°F Hi 62°F Lo 34°F Hi 68°F Lo 34°F Hi 63°F Lo 35°F
ajax-dashboard6.php - Version 6.95h - 20-Feb-2023 - Script by: Scott of BurnsvilleWeatherLIVE.com
Now supported by Saratoga-weather.org Download