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: 20-Nov-2024 @ 10:25pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.2°F than last hour.

30.9°F

Wind Chill:  30.9°F
24-hr diff: 7°FWarmer 7°F than yesterday at this time.
Cold
High Today
50.3°F
2:44 PM
Low Today
22.3°F
6:45 AM
Yest High
41.0°F
12:40 PM
Yest Low
23.9°F
10:16 PM
Sta* High
69.2°F
2017
Sta* Low
13.8°F
2022
* This Station's Records Since 11/2006
Night time, Dry, A few clouds Night time, Dry, A few clouds

Calm Wind:  SSW
0.0

Gusting to:
0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
9.8 of 100
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Lo 25°F Hi 58°F Lo 32°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.6°F since last hour. 16.6°F
Last Hour: Increased 0.6°F since last hour. +0.6°F
High 9:52 PM: 17.0°F
Low 12:46 AM: -1.5°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 26.7°F
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Nov Rain: 1.47 in
Nov to Date
  Avg:10
0.27 in
Nov to Date
  Diff from Avg:10
Over 1.2 in for the month 1.20 in
Nov Avg: 0.43 in
Diff from Avg: Over 1.04 in for the month 1.04 in
Season:1 14.06 in
YTD
  Avg:11
13.86 in
YTD
  Diff from Avg:11
Over 0.2 in for the year 0.20 in
Last Rain
Time/Date:
9-Nov-2024
at 3:40 PM
67 rain days in 2024
6 days in November
10 days since last rain
Current: SSW  0.0 mph
1Hr Average: 0.6 mph
Wind Run: 51.25 miles
Wind Gust
Current: 0.0 mph
Today: 15.0 mph 5:12 AM
Month: 31.0 mph 18-Nov
Year: 53.0 mph 26-Jul
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
9 h 53 m 19 s
of Sunlight Yesterday
9 h 51 m 34 s
of Sunlight Today
Which is
1 min 45 sec shorter than
yesterday
9 h 49 m 53 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waning Gibbous
Waning Gibbous, 19 days, 16 hours, 40 minutes in cycle
70%
Illuminated
Humidity Barometer
Current: Increased 4% since last hour. 55%
Last Hour: Increased 4% since last hour. 4%
High 10:24 PM: 55%
Low 1:35 PM: 15%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: No Change 30.432 inHg
Last Hour: Steady
High 9:58 AM: 30.488
Low 1:19 AM: 30.378
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 32.2
Nov: 538.0
2024 to Date: 4022.1
Cooling Degree Days
2024 to Date: 1004.5
Today: 0.00 in
Yesterday: 0.00 in
Nov Snow: Over 4.934 in for the month 10.80 in
Nov Avg: 5.87 in
Diff from Avg: 4.93 in
Season Total:2 10.80 in
Snow Depth: 0.00 in
4 snow days in November
4 snow days this season.2
First Snow of Season:
6-Nov-2024
Average 1st Snow:
26 of Oct
Current: 30.9°F
Low 6:48 AM: 12.8°F
Yesterday: 18.9°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:

N/A


No Data
Density:
1.32 kg/m3
UV Summary/Forecast Solar Summary
High Today:   2.4 @ 11:55 AM
Nov-21

2.0
Nov-22

2.1
Nov-23

2.2
High Today:  
494 W/m2 @ 11:54 AM
Sun Hours Today:
07:40
   This Month: 115:30 Hrs
Rise: 6:52 am  Set: 4:39 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 55.7°F
Sunrise: 6:52 am
Sunset: 4:39 pm
Moonrise: 9:25 pm
Moonset: 12:17 pm
Full Moon: 15-Nov-2024
New Moon: 06:22 UTC
30-Nov-2024
Updated at Midnight
Current ET: 0.05 in
7-Days Rain: 0.00 in
7-Days ET: 0.36 in
7-Day:  0.358 in water in deficit of what evaporated in last 7 days. 0.358 in
November:  0.58 in water in excess of what evaporated this month. 0.58 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
  100.6°F°F
12-Jul-2024
  -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:4.8 | 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 20 of just the month of November for this station since 2006.   11 Historical average rain this season to day 20 of November for this station since 2006.
 NWS Weather Forecast  -   Outlook Tonight & Thursday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 25°F
NWS forecast: Partly cloudy, with a low around 25. South southwest wind around 8 mph.
Thursday

Thursday: Mostly Sunny
Mostly Sunny

Hi 58°F
NWS forecast: Mostly sunny. High near 58, with temperatures falling to around 51 in the afternoon. South southwest wind 2 to 7 mph.
 NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Partly Sunny
Partly Sunny
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Partly Sunny then Chance Light Rain
Partly Sunny then Chance Light Rain
Sunday
Night
Sunday Night: Chance Rain And Snow
Chance Rain And Snow
Lo 32°F Hi 62°F Lo 35°F Hi 65°F Lo 34°F Hi 53°F Lo 28°F
Click here for the complete forecast.
ajax-dashboard6.php - Version 6.95h - 20-Feb-2023 - Script by: Scott of BurnsvilleWeatherLIVE.com
Now supported by Saratoga-weather.org Download