Climate Newcastle - Wyoming
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| 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 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| 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.
Newcastle Climate Graph - Wyoming Climate Chart
Daily normals Newcastle - Wyoming - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 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 - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 84.0 | 55.9 | 0.00 | 0.00 | 0.0 |
| 02 Sep | 81.0 | 57.9 | 0.03 | 0.00 | 0.0 |
| 03 Sep | 90.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 90.0 | 64.9 | 0.00 | 0.00 | 0.0 |
| 05 Sep | - | - | - | - | - |
| 06 Sep | - | - | - | - | - |
| 07 Sep | - | - | - | - | - |
| 08 Sep | - | - | - | - | - |
| 09 Sep | - | - | - | - | - |
| 10 Sep | - | - | - | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Newcastle
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 86.3 ºF | 36 ºF | |
| Average low temperature Av. low temp. | 59.9 ºF | 13 ºF | |
| Total precipitation Total precip. | 0.03 inch | 0.41 inch | |
| Total snowfall Total snowfall | 0.00 inch | 6 inch | |
| Highest max temperature Highest max temp. | 90.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 81.0 ºF | - | |
| Highest min temperature Highest min temp. | 64.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 55.9 ºF | - | |
Past weather September 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 | 08:53 PM | |
|---|---|---|
| Sunrise | 06:28 AM | |
| Sunset | 07:20 PM | |
| Day/Night | Night | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Newcastle - Wyoming
USGS National Map — Open interactive map
Newcastle weather averages
| Annual high temperature | 61ºF |
| Annual low temperature | 34ºF |
| Average annual precip. | 16.44 inch |
| Av. annual snowfall | 40 inch |
Station Data
Monthly averages Newcastle
Longitude: -104.318, Latitude: 43.8855
Average weather Newcastle, WY - 82701
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...