Climate Newcastle - Wyoming
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 36 40 49 60 69 79 Average low in ºF Av. low Lo 13 15 24 33 42 51 Av. precipitation in inch Av. precip. Pre. 0.41 0.64 0.86 1.64 2.64 2.46 Av. snowfall in inch Snowfall Sn 6 7 7 5 0 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 89 87 76 61 46 35 Average low in ºF Av. low Lo 59 57 47 34 22 13 Av. precipitation in inch Av. precip. Pre. 2.28 1.69 1.29 1.30 0.69 0.54 Av. snowfall in inch Snowfall Sn 0 0 0 1 7 7
What is the average weather in Newcastle, Wyoming? Newcastle experiences a cold semi-arid climate, marked by a very strong seasonal temperature contrast. Summers are hot, while winters are cold and bring significant snowfall. The area is dry overall, with low annual precipitation that is generally higher in summer, often arriving in brief showers.
January February March April May June July August September October November December
1 Jan 33.5 13.6 0.02 0.02 0.20 0.20 2 Jan 33.6 13.7 0.04 0.04 0.50 0.50 3 Jan 33.7 13.7 0.05 0.05 0.70 0.70 4 Jan 33.7 13.8 0.07 0.07 0.90 0.90 5 Jan 33.8 13.8 0.09 0.09 1.10 1.10 6 Jan 33.9 13.9 0.11 0.11 1.40 1.40 7 Jan 34.0 13.9 0.12 0.12 1.60 1.60 8 Jan 34.1 14.0 0.14 0.14 1.80 1.80 9 Jan 34.2 14.0 0.16 0.16 2.00 2.00 10 Jan 34.3 14.1 0.17 0.17 2.20 2.20 11 Jan 34.4 14.1 0.19 0.19 2.50 2.50 12 Jan 34.4 14.2 0.21 0.21 2.70 2.70 13 Jan 34.5 14.2 0.22 0.22 2.90 2.90 14 Jan 34.6 14.3 0.24 0.24 3.10 3.10 15 Jan 34.7 14.3 0.25 0.25 3.30 3.30 16 Jan 34.7 14.3 0.27 0.27 3.50 3.50 17 Jan 34.8 14.3 0.28 0.28 3.70 3.70 18 Jan 34.8 14.4 0.30 0.30 3.90 3.90 19 Jan 34.9 14.4 0.31 0.31 4.10 4.10 20 Jan 35.0 14.4 0.33 0.33 4.30 4.30 21 Jan 35.0 14.4 0.34 0.34 4.60 4.60 22 Jan 35.0 14.4 0.36 0.36 4.80 4.80 23 Jan 35.1 14.4 0.38 0.38 5.00 5.00 24 Jan 35.1 14.4 0.39 0.39 5.20 5.20 25 Jan 35.1 14.4 0.41 0.41 5.40 5.40 26 Jan 35.2 14.4 0.42 0.42 5.60 5.60 27 Jan 35.2 14.4 0.44 0.44 5.90 5.90 28 Jan 35.3 14.5 0.46 0.46 6.10 6.10 29 Jan 35.3 14.5 0.47 0.47 6.30 6.30 30 Jan 35.3 14.5 0.49 0.49 6.60 6.60 31 Jan 35.4 14.5 0.51 0.51 6.80 6.80
Weather history Newcastle - August 2026
Day 01 Aug 90.0 62.1 - - - 02 Aug 97.0 70.0 - - - 03 Aug 104.0 63.0 - - 0.0 04 Aug 82.0 48.0 0.00 0.00 0.0 05 Aug 73.0 51.1 0.00 0.00 0.0 06 Aug 86.0 60.1 0.00 0.00 0.0 07 Aug 96.1 60.1 0.00 0.00 - 08 Aug 90.0 64.0 - - - 09 Aug 98.1 62.1 - - - 10 Aug 95.0 63.0 - - 0.0 11 Aug 96.1 66.0 0.00 0.00 - 12 Aug - - - - - 13 Aug - - - - - 14 Aug - - - - - 15 Aug - - - - - 16 Aug - - - - - 17 Aug - - - - - 18 Aug - - - - - 19 Aug - - - - - 20 Aug - - - - - 21 Aug - - - - - 22 Aug - - - - - 23 Aug - - - - - 24 Aug - - - - - 25 Aug - - - - - 26 Aug - - - - - 27 Aug - - - - - 28 Aug - - - - - 29 Aug - - - - - 30 Aug - - - - - 31 Aug - - - - -
Past weather Newcastle
Aug 26 Normal Average high temperature Av. high temp. 91.6 ºF 36 ºF Average low temperature Av. low temp. 60.9 ºF 13 ºF Total precipitation Total precip. - inch 0.41 inch Total snowfall Total snowfall - inch 6 inch Highest max temperature Highest max temp. 104.0 ºF - Lowest max temperature Lowest max temp. 73.0 ºF - Highest min temperature Highest min temp. 70.0 ºF - Lowest min temperature Lowest min temp. 48.0 ºF -
× Past weather August 2026 incomplete - Missing data
Geo Newcastle - Wyoming
Country United States State Wyoming County Weston City Newcastle Zip Code 82701 Longitude -104.32 dec. degr. Latitude 43.89 dec. degr. Altitude - Elevation
4144ft ICAO - IATA -
Date and Time Newcastle - Wyoming
Local Time 06:58 PM Sunrise 05:58 AM Sunset 08:06 PM Day/Night Day Timezone Mountain Daylight Time Timezone DB America - Denver
Map of Newcastle - Wyoming