Newcastle, NE Weather & Growing Conditions
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy. High near 53, with temperatures falling to around 46 in the afternoon. North northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Rain Showers | 20 mph NNW | 100% |
| Tonight | 38°F | Rain Showers | 20 mph NW | 92% |
| Wednesday | 47°F | Chance Rain Showers | 15 to 20 mph NW | 43% |
| Wednesday Night | 36°F | Rain Showers Likely | 15 mph NW | 57% |
| Thursday | 48°F | Mostly Cloudy | 10 to 15 mph NNW | 14% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph NNW | 0% |
| Friday | 49°F | Partly Sunny | 0 to 5 mph SW | 0% |
| Friday Night | 32°F | Mostly Cloudy | 0 to 5 mph S | 1% |
| Saturday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 36°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 61°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Monday | 62°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Newcastle, NE
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
Explore more for Newcastle, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.