Newcastle Weather Forecast
- 43
- 67
Increasing Clouds
- 48
- 73
Partly Sunny
- 57
- 82
Partly Sunny
- 47
- 73
Breezy
- 50
- 74
Mostly Sunny
- 56
- 83
Partly Sunny
Today 14 Jun Newcastle
Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 60s. Northwest Winds around 5 Mph, increasing to 10 to 15 Mph in the afternoon.
Tonight 14 Jun Newcastle
Mostly clear. Lows in the upper 30s. North Winds 5 to 10 Mph.
Newcastle Temperature Statistics
June Temperature
Mondell Field (5.6 miles)
Lowest 1 June, 2026
39.2 °FAverage June
66.1 °FHighest 6 June, 2026
95 °F
Climate (2021–Present)
Mondell Field (5.6 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
48.6 °FAverage High 2021–2026
60.9 °F