Thornton, WY

Unincorporated community in Weston County, Wyoming

Thornton is a small unincorporated community in Weston County, Wyoming. It is 6.6 miles SE of Upton, the nearest town. Its ZIP code is 82730.

Thornton at a glance

State
Wyoming
County
Weston County
ZIP code
82730
Nearest town
Upton (6.6 mi)
Time zone
America/Denver
Coordinates
44.1628, -104.7428

Weather in Thornton now

Loading the National Weather Service forecast…

Thornton weather by the hour

Thornton weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Thornton.

This week in Thornton

Sunrise, sunset and moon in Thornton

What is the weather usually like in Thornton?

BSk
Cold semi-arid climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

5°27°49°70°92°33°10°Jan35°12°Feb47°22°Mar56°30°Apr65°40°May77°49°Jun87°57°Jul85°54°Aug75°44°Sep59°32°Oct44°20°Nov33°10°Dec

Average precipitation (inches)

0.4"Jan0.5"Feb0.8"Mar1.8"Apr2.8"May2.6"Jun2.1"Jul1.4"Aug1.2"Sep1.5"Oct0.6"Nov0.4"Dec

Best time to visit Thornton: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station UPTON, WY US (USC00489205), adjusted for the elevation of Thornton.

Thornton weather month by month

January
33° 10°F
0.4 in of rain · 2 wet days❄ 8.2 in of snow
February
35° 12°F
0.5 in of rain · 1 wet days❄ 8.1 in of snow
March
47° 22°F
0.8 in of rain · 2 wet days❄ 6.2 in of snow
April
56° 30°F
1.8 in of rain · 5 wet days❄ 5.3 in of snow
May
65° 40°F
2.8 in of rain · 7 wet days❄ 0.7 in of snow
June
77° 49°F
2.6 in of rain · 6 wet days❄ 0.1 in of snow
July
87° 57°F
2.1 in of rain · 5 wet days
August
85° 54°F
1.4 in of rain · 4 wet days
September
75° 44°F
1.2 in of rain · 3 wet days❄ 0.1 in of snow
October
59° 32°F
1.5 in of rain · 3 wet days❄ 3.1 in of snow
November
44° 20°F
0.6 in of rain · 2 wet days❄ 6.3 in of snow
December
33° 10°F
0.4 in of rain · 2 wet days❄ 8.3 in of snow

Sunrise and sunset in Thornton through the year

MonthSunriseSunsetDaylight
January7:29 AM4:47 PM9 h 18 min
February6:56 AM5:29 PM10 h 33 min
March7:09 AM7:06 PM11 h 57 min
April6:13 AM7:44 PM13 h 31 min
May5:30 AM8:20 PM14 h 50 min
June5:13 AM8:45 PM15 h 32 min
July5:28 AM8:41 PM15 h 13 min
August6:01 AM8:05 PM14 h 3 min
September6:37 AM7:11 PM12 h 34 min
October7:12 AM6:16 PM11 h 3 min
November6:53 AM4:34 PM9 h 40 min
December7:25 AM4:22 PM8 h 56 min

Times for the 15th of each month, local time (America/Denver).

What is the weather like in Thornton?

Thornton has a cold semi-arid climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 10°F (-13°C).

It gets about 16.2 inches (411 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 46 inches fall in an average year.

The best time to visit Thornton is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

Webcams near Thornton

The closest live webcam is Campbell County › West: I 90 Inyan Kara - West, 10.7 miles NE of Thornton.

Campbell County › West: I 90 Inyan Kara - Westunknown · 10.7 mi NEOn Windy
Campbell County › East: I 90 Inyan Kara - Eastunknown · 10.7 mi NEOn Windy
Linden: I 90 Inyan Kara - Road SurfaceLinden · 10.7 mi NEOn Windy
Sundance › East: I 90 - West - EastSundance · 21.1 mi NEOn Windy
Sundance › West: I 90 - WestSundance · 21.1 mi NEOn Windy
Sundance: I 90 - West - Road SurfaceSundance · 21.1 mi NEOn Windy
Sundance › West: I 90 - Port of Entry - WestSundance · 26.3 mi NEOn Windy
Sundance › East: I 90 - Port of Entry - EastSundance · 26.3 mi NEOn Windy
Sundance: I 90 - Port of Entry - BridgeSundance · 26.3 mi NEOn Windy

Webcams: Windy.com. Distances in a straight line from Thornton.

Do you know Thornton? Tell us about it

Help other travelers: share what makes Thornton special. We review every message before publishing it.

Map of Thornton, WY

Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Thornton Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Towns near Thornton

Other communities near Thornton

Questions about Thornton

Where is Thornton, WY?

Thornton is an unincorporated community in Weston County, Wyoming, 6.6 miles SE of Upton.

What county is Thornton in?

Thornton is in Weston County, Wyoming.

What is the ZIP code of Thornton, WY?

The ZIP code for Thornton is 82730.

What is the nearest town to Thornton?

Upton, 6.6 miles away.

Are there webcams near Thornton?

Yes. The closest is Campbell County › West: I 90 Inyan Kara - West, 10.7 miles away.

What is the hottest month in Thornton?

July, with an average high of 87°F (31°C).

What is the coldest month in Thornton?

January, with an average low of 10°F (-13°C).

How much does it rain in Thornton?

About 16.2 inches (411 mm) a year; the wettest month is May.

Does it snow in Thornton?

Yes, about 46 inches of snow fall in an average year.

When is the best time to visit Thornton?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Thornton have?

Cold semi-arid (Köppen BSk).

Last updated: