Weather in Newcastle, OK
Updated 2026-09-26 12:30 local time · ZIP codes 73065
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
80°1% rain
84°17% rain87°17% rain87°1% rain90°17% rain
90°5% rain85°17% rain85°17% rain
81°3% rain
79°13% rain72°7% rain75°7% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 79°F with winds near 15 mph.
81°F, 3% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 34 mph.
Current temperature is 80°F, wind 15 mph, rain chance up to 17%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Newcastle
Oklahoma often experiences strong weather contrasts, with hot summers, windy conditions and a major spring severe-thunderstorm and tornado season.
Newcastle is part of the South weather region. The forecast point is near 35.25°N latitude and 97.60°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Newcastle weather today
Sunny and 80°F in Newcastle, OK. Today's high is 90°F with a 57% rain chance. Winds are around 15 mph with gusts near 19 mph. Relative humidity is 42%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Newcastle
Sunrise is at 07:21 AM and sunset is at 07:21 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 91°F and a low near 70°F. The maximum rain chance is 36%.