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 Thornton
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METRIC | IMPERIAL
Updated: 05-May-2026 @ 4:25am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.8°F than last hour.

40.2°F

Feels like:  34°F
24-hr diff: -3.2°FColder 3.2°F than yesterday at this time.
Cold
High Today
48.6°F
2:05 AM 		Low Today
40.2°F
4:22 AM
Yest High
76.1°F
12:23 PM 		Yest Low
42.3°F
4:47 AM
Sta* High
83.7°F
2012 		Sta* Low
29.2°F
2011
* This Station's Records Since 11/2006
Night time, Moderate drizzle, Overcast Night time, Moderate drizzle, Overcast

Wind from NNW Wind:  NNW
9.0
Gusting to:
 8.0 mph
Current Rain Rain:
0.08 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.9 of 100
Overnight

Overnight: Rain Showers
Rain Showers
Tuesday

Tuesday: Rain And Snow Showers
Rain And Snow Showers
Tuesday
Night
Tuesday Night: Rain And Snow Showers
Rain And Snow Showers
Lo 39°F Hi 42°F Lo 29°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 2.1°F since last hour. 37.8°F
Last Hour: Decreased 2.1°F since last hour. -2.1°F
High 2:05 AM: 46.1°F
Low 4:22 AM: 37.8°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 39.2°F
Rain Today
rain graph
Today: 0.08 in
Rate (/hr): 0.044 in
Storm Rain: 0.16 in
Yesterday: 0.08 in
Last 7 Days: 0.10 in
May Rain: 0.16 in
May to Date
  Avg:10 		0.38 in
May to Date
  Diff from Avg:10 		Under 0.22 in for the month 0.22 in
May Avg: 2.98 in
Diff from Avg: Under 2.82 in for the month 2.82 in
Season:1 1.51 in
YTD
  Avg:11 		4.04 in
YTD
  Diff from Avg:11 		Under 2.53 in for the year 2.53 in
17 rain days in 2026
2 days in May
0 days since last rain
Current: NNW  9.0 mph
1Hr Average: 7.0 mph
Wind Run: 16.29 miles
Wind Gust
Current: 8.0 mph
Today: 16.1 mph 4:19 AM
Month: 30.0 mph 4-May
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
14 h 1 m 34 s
of Sunlight Yesterday
14 h 3 m 44 s
of Sunlight Today Which is
2 min 10 sec longer than
yesterday
14 h 5 m 52 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Gibbous
Waning Gibbous, 17 days, 22 hours, 38 minutes in cycle
88%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 91%
Last Hour: Decreased 1% since last hour. 1%
High 1:45 AM: 92%
Low 12:05 AM: 89%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Rising 0.032 inHg/hr 29.564 inHg
Last Hour: Rising slowly
High 4:23 AM: 29.565
Low 12:56 AM: 29.503
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 2.8
May: 40.7
2026 to Date: 2224.2
Cooling Degree Days
2026 to Date: 32.1
Today: 0.00 in
Yesterday: 0.00 in
May Snow: Under 1.496 in for the month 0.00 in
May Avg: 1.50 in
Diff from Avg: -1.50 in
Season Total:2 22.40 in
Snow Depth: 0.00 in
0 snow days in May
11 snow days this season.2
First Snow of Season:
28-Nov-2025
Average 1st Snow:
29 of Oct
Current: 34.3°F
Low 4:20 AM: 33.4°F
Yesterday: 41.5°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:
37

Good
Density:
1.25 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   6.4 @ 12:18 PM
May-05

7.3 		May-06

6.1 		May-07

7.3
High Yest:   935.0 @ 12:52 PM
Sun Hours Today:
00:00
   This Month: 19:56 Hrs
Rise: 5:54 am  Set: 7:57 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 46.9°F
Sunrise: 5:54 am
Sunset: 7:57 pm
Moonrise: 11:25 pm
Moonset: 8:08 am
Full Moon: 01-May-2026
New Moon: 20:02 UTC
16-May-2026
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.10 in
7-Days ET: 0.94 in
7-Day: 0.837 in water in deficit of what evaporated in last 7 days. 0.837 in
May: 0.59 in water in deficit of what evaporated this month. 0.59 in
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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:4.7 | 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 5 of just the month of May for this station since 2006.   11 Historical average rain this season to day 5 of May for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Tuesday
Overnight

Overnight: Rain Showers
Rain Showers

Lo 39°F 		NWS forecast: Rain showers. Cloudy. Low around 39, with temperatures rising to around 46 overnight. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
 Tuesday

Tuesday: Rain And Snow Showers
Rain And Snow Showers

Hi 42°F 		NWS forecast: Rain showers before 7am, then rain and snow showers. Cloudy. High near 42, with temperatures falling to around 37 in the afternoon. North northeast wind around 12 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Rain And Snow Showers
Rain And Snow Showers
Wednesday

Wednesday: Snow Showers
Snow Showers
Wednesday
Night
Wednesday Night: Slight Chance Rain And Snow Showers then Partly Cloudy
Slight Chance Rain And Snow Showers then Partly Cloudy
Thursday

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

Friday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Lo 29°F Hi 39°F Lo 26°F Hi 65°F Lo 42°F Hi 71°F Lo 46°F
Click here for the complete forecast.
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