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Newcastle, Wyoming

Current conditions and the National Weather Service 7-day forecast for Newcastle, Wyoming — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 61°F. Sunday Aug 30: a high near 86°F and a low around 53°F. The wettest day looks like Sunday Aug 30, near 0.02 in. Highs over the period run 83°F to 88°F.

National Weather Service forecast for Newcastle, Wyoming
DayHighLowPrecip
Saturday Aug 2961°
Sunday Aug 3086°53°0.02 in
Monday Aug 3183°59°
Tuesday Sep 183°59°
Wednesday Sep 287°59°
Thursday Sep 387°61°
Friday Sep 488°62°
Saturday Sep 586°

NOAA NWS NDFD 2.5 km, run 2026-08-30 03:00 UTC · days are local time in America/Denver. The live page updates continuously.

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