New Castle, CO Weather Forecast
Garfield County, Colorado
Live radar, warnings and storm tracking for New Castle, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this morning
It is 40°, but the wind is taking it down to 34° on exposed skin. The sky is mostly cloudy.
The wind turns to the west around 5 AM. The first rain arrives between 7 AM and 8 AM, with the best chance of it around 10 AM. That leaves a usable window outdoors until about 7 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
The wet part of the window runs from about 7 AM to 9 PM, 6 hours of it, with the highest chance near 10 AM. Total accumulation over the window comes to about 0.12 in.
It tapers off after 9 PM. Pressure rises 0.06 inHg behind it, which is the drier air arriving. The overnight low settles near 36°. Tomorrow reaches 50°, 12° warmer than today.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
23–57°F across the weekThe week runs between 29° and 57°, with Tuesday the warmest day of it. There is no real trend across it: one day looks much like the next. Wednesday is the wettest day, peaking near 79%. 3 of the 7 days stay dry.
Free alerts for New Castle
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
New Castle, CO at a glance
New Castle is home to about 4,866 people in Garfield County, across 2.5 square miles. It ranks 82nd by population of 105 places in Colorado with a forecast here. The nearest neighbour with its own forecast is Silt, 7 miles away.
- County
- Garfield County
- Population
- 4,866 2023 est.
- Land area
- 2.5 sq mi
- People per sq mi
- 1,950
- Forecast point
- 39.5776°N, 107.5265°W
How well can the network see New Castle?
The nearest Doppler radar is KGJX (Grand Junction, CO), to the SW. Its lowest scan passes about 3,700 ft above New Castle. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KRIL (Rifle/Garfield Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near New Castle
- Silt, CO7 mi
- Glenwood Springs, CO10 mi
- Rifle, CO13 mi
- Carbondale, CO21 mi
- Basalt, CO29 mi
- Gypsum, CO30 mi
- Eagle, CO38 mi
- Snowmass Village, CO40 mi
Elsewhere in Colorado
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