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: 29-May-2024 @ 11:45pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 4.2°F than last hour.

60.6°F

24-hr diff: -2.5°FColder 2.5°F than yesterday at this time.
Comfortable
High Today
86.9°F
1:00 PM
Low Today
53.2°F
5:28 AM
Yest High
83.5°F
3:31 PM
Yest Low
47.7°F
6:08 AM
Sta* High
89.3°F
2020
Sta* Low
38.6°F
2019
* This Station's Records Since 11/2006
Night time, Dry, Partly cloudy Night time, Dry, Partly cloudy

Wind from SE Wind:  SE
0.1

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
14.7 of 100
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Lo 53°F Hi 79°F Lo 49°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.4°F since last hour. 43.4°F
Last Hour: Decreased 1.4°F since last hour. -1.4°F
High 1:53 PM: 51.1°F
Low 1:27 PM: 30.6°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 52.2°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
May Rain: 0.64 in
May to Date
  Avg:10
3.00 in
May to Date
  Diff from Avg:10
Under 2.36 in for the month 2.36 in
May Avg: 3.07 in
Diff from Avg: Under 2.43 in for the month 2.43 in
Season:1 7.44 in
YTD
  Avg:11
6.83 in
YTD
  Diff from Avg:11
Over 0.61 in for the year 0.61 in
Last Rain
Time/Date:
21-May-2024
at 4:02 PM
34 rain days in 2024
5 days in May
7 days since last rain
Current: SE  0.1 mph
1Hr Average: 1.1 mph
Wind Run: 98.44 miles
Wind Gust
Current: 0.0 mph
Today: 25.3 mph 11:52 AM
Month: 48.3 mph 14-May
Year: 48.3 mph 14-May
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
14 h 48 m 5 s
of Sunlight Yesterday
14 h 49 m 22 s
of Sunlight Today
Which is
1 min 17 sec longer than
yesterday
14 h 50 m 35 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Last Quarter
Last Quarter, 22 days, 2 hours, 27 minutes in cycle
55%
Illuminated
Humidity Barometer
Current: Increased 5% since last hour. 53%
Last Hour: Increased 5% since last hour. 5%
High 3:22 AM: 81%
Low 1:04 PM: 15%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.004  inHg/hr 29.761 inHg
Last Hour: Steady
High 1:06 AM: 30.057
Low 6:31 PM: 29.729
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 2.4
May: 198.4
2024 to Date: 3168.6
Cooling Degree Days
2024 to Date: 13.4
Today: 0.00 in
Yesterday: 0.00 in
May Snow: Under 1.654 in for the month 0.00 in
May Avg: 1.65 in
Diff from Avg: -1.65 in
Season Total:2 50.40 in
Snow Depth: 0.00 in
0 snow days in May
23 snow days this season.2
First Snow of Season:
29-Oct-2023
Average 1st Snow:
25 of Oct
Current: 60.6°F
Low 5:28 AM: 53.2°F
Yesterday: 47.7°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:

N/A


No Data
Density:
1.21 kg/m3
UV Summary/Forecast Solar Summary
High Today:   8.6 @ 12:53 PM
May-30

8.4
May-31

8.8
Jun-01

8.9
High Today:  
1390 W/m2 @ 12:51 PM
Sun Hours Today:
05:23
   This Month: 154:45 Hrs
Rise: 5:33 am  Set: 8:20 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 43.9°F
Sunrise: 5:33 am
Sunset: 8:20 pm
Moonrise: 1:41 am
Moonset: 12:38 pm
Full Moon: 23-May-2024
New Moon: 12:38 UTC
06-Jun-2024
Updated at Midnight
Current ET: 0.25 in
7-Days Rain: 0.00 in
7-Days ET: 1.79 in
7-Day:  1.787 in water in deficit of what evaporated in last 7 days. 1.787 in
May:  5.36 in water in deficit of what evaporated this month. 5.36 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 29 of just the month of May for this station since 2006.   11 Historical average rain this season to day 29 of May for this station since 2006.
 NWS Weather Forecast  -   Outlook Tonight & Thursday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 53°F
NWS forecast: Partly cloudy. Low around 53, with temperatures rising to around 55 overnight. West southwest wind around 7 mph.
Thursday

Thursday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms

Hi 79°F
NWS forecast: A slight chance of showers and thunderstorms between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 79, with temperatures falling to around 75 in the afternoon. Southeast wind 5 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
 NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Friday

Friday: Partly Sunny then Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And T-Storms
Friday
Night
Friday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Saturday

Saturday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Lo 49°F Hi 77°F Lo 52°F Hi 85°F Lo 55°F Hi 90°F Lo 56°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