Home

Newcastle, WA Weather


Newcastle, WA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.

The warmest month of the year is August with an average maximum temperature of 75.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 35.90 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 11 degrees Fahrenheit.

The annual average precipitation at Newcastle is 37.07 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is November with an average rainfall of 5.90 Inches.

Weather Data

Current Conditions

(Updated: 12:53 AM PST SUN NOV 23 2008)

Overcast Overcast, 42°F Humidity: 85% Dewpoint: 38°F
Wind Speed: CALM Heat Index: 42°F
Barometer: 30.31 in. Wind Chill: 42°F

Weather Forecast

(Generated: 3:30 PM PST SAT NOV 22 2008)
  Tonight: Partly cloudy. Patchy fog. Lows in the 30s. Southeast wind to 10 mph.
Lo: 35°F
Hi: 53°F Sunday: Mostly sunny. Patchy morning fog. Highs in the lower to mid 50s. Southeast wind 10 to 20 mph.
Lo: 35°F
Hi: 50°F Monday: Sunny. Patchy morning fog. Highs in the upper 40s to mid 50s. Southeast wind 10 to 15 mph.
Lo: 35°F
Hi: 51°F Tuesday: Mostly cloudy with a chance of rain. Highs in the lower 50s.
Lo: 37°F
Hi: 50°F Wednesday: Mostly sunny. Highs around 50.
Lo: 39°F
Hi: 50°F Thanksgiving day: Mostly sunny. Highs around 50.
Lo: 39°F
Hi: 50°F Friday: Mostly sunny. Highs around 50.
Lo: 39°F

Moon, Sunrise and Sunset

Waning Crescent Moon Moon Phase: Waning Crescent Moon Civil Twilight:
6:50 AM PST
Sunrise:
7:24 AM PST
Sunset:
4:24 PM PST
Civil Twilight:
4:59 PM PST

Normal Climate

Normal Temperatures

(SEATTLE TACOMA AP Weather station, 9.09 miles from Newcastle)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 45.8 49.5 53.2 58.2 64.4 69.6 75.3 75.6 70.2 59.7 50.5 45.5 59.8
Mean °F 40.9 43.3 46.2 50.2 55.8 60.7 65.3 65.6 61.1 52.7 45.2 40.7 52.3
Min °F 35.9 37.2 39.1 42.1 47.2 51.7 55.3 55.7 51.9 45.7 39.9 35.9 44.8

Normal Precipitation

(SEATTLE TACOMA AP Weather station, 9.09 miles from Newcastle)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 5.13 4.18 3.75 2.59 1.78 1.49 0.79 1.02 1.63 3.19 5.90 5.62 37.07