🌤️ New York, NY 🌤️ Los Angeles, CA 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 79° 🌤️ Denver, CO Toronto, ON 77° 🌤️ Vancouver, BC
WeatherLiveWyomingNewcastle

Newcastle, WY Weather (82701)

Current WeatherNewcastle · 1:46 PM MDT
95° | 59°
92°F
Feels like 87°
Sunny
WindW 5 mph · Gusts 8 mph
Precip1% · –
Humidity14% · Dew point 37°
UV index8 Very high
Air Quality81 Moderate
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:06 AM · 7:53 PM · 13h 47m

Weather map — Newcastle

Full radar →
Now
92°
0%
5 mph
14:00
94°
0%
5 mph
15:00
94°
0%
4 mph
16:00
95°
0%
4 mph
17:00
94°
0%
6 mph
18:00
92°
0%
9 mph
19:00
89°
0%
9 mph
20:00
81°
0%
9 mph
21:00
77°
1%
13 mph
22:00
74°
8%
10 mph
23:00
72°
9%
8 mph
00:00
70°
9%
6 mph
01:00
69°
9%
6 mph
02:00
69°
10%
8 mph
03:00
71°
9%
7 mph
04:00
73°
5%
7 mph
05:00
72°
6%
6 mph
06:00
70°
3%
4 mph
07:00
72°
6%
2 mph
08:00
75°
1%
5 mph
09:00
79°
1%
6 mph
10:00
82°
1%
6 mph
11:00
85°
1%
6 mph
12:00
88°
1%
7 mph

Today · Thu 8/20

High 95°
1% / –

Sunny. Winds E at 13 mph.

Tonight · Thu 8/20

Low 69°
1% / –

Sunny. Winds E at 13 mph.

Tomorrow · Fri 8/21

95° | 69°
3% / –

Sunny. Winds E at 17 mph.

7-day trend

Newcastle · temperature + precipitation

10-day forecast

Updated 1:46 PM

Details & indices

Wind
5 mph W
Gusts 8 mph
Humidity
14%
Dew point 37°
Pressure
29.94 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Moderate
AQI 81 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Newcastle

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:06 AM
Sunset7:53 PM
Length of day13h 47m
Moonrise3:09 PM
Moonset11:31 PM
Next full moonAug 27 Sturgeon Moon
Latitude43.8547°N
Longitude-104.2049°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Data sources · Thursday, August 20
Where the Newcastle forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.8547°N, -104.2049°.
NBM + global weather models
Updated: 1:46 PM
ZIP codes in Newcastle
📮
82701
Newcastle
📮
82710
Newcastle
📮
82711
Newcastle
📮
82712
Newcastle
📮
82715
Newcastle
📮
82723
Newcastle
📮
82729
Newcastle
📮
82730
Newcastle
Weather in Newcastle
Newcastle's outlook: warmest day near 98° (Friday), coldest night about 59° (Thursday). Roughly 0.22 in of rain falls over the period, with Tuesday the most likely wet day (61%). Wind is the one to watch: gusts to 34 mph around Friday. No watches or warnings are active for the area right now. Right now Newcastle is running about 27° warmer than Rapid City. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Newcastle, WY · Elev 4,327 ft · 43.85°N, 104.20°W · Wyoming · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:46 PM