Gaston, OR Weather
Gaston, OR 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 83.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 32.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 29 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.
The annual average precipitation at Gaston is 44.86 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 7.87 Inches.
Weather Data
Current Conditions
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Fog And Mist, 41°F | Humidity: 100% | Dewpoint: 41°F |
| Wind Speed: CALM | Heat Index: 41°F | ||
| Barometer: 30.23 in. | Wind Chill: 41°F |
Weather Forecast
| Hi: 55°F | Today: Areas of fog until midday. Otherwise partly sunny. Highs in the 50s. Southeast wind 5 to 10 mph...Except east wind 15 to 25 mph near the gorge. | |
| Lo: 43°F | ||
| Hi: 53°F | Thanksgiving day: Cloudy with a chance of rain. Highs 50 to 55. Southeast wind 5 to 10 mph. | |
| Lo: 40°F | ||
| Hi: 48°F | Friday: Breezy with rain in the morning...Then rain likely in the afternoon. Highs 45 to 50. Southwest wind 15 to 25 mph. | |
| Lo: 38°F | ||
| Hi: 48°F | Saturday: Mostly cloudy with a chance of rain. Highs 45 to 50. | |
| Lo: 35°F | ||
| Hi: 48°F | Sunday: Mostly cloudy. Patchy fog in the morning. Highs 45 to 50. | |
| Lo: 35°F | ||
| Hi: 48°F | Monday: Patchy fog in the morning. Mostly cloudy with a slight chance of showers. Highs 45 to 50. | |
| Lo: 38°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:51 AM PST |
Sunrise: 7:24 AM PST |
| Sunset: 4:34 PM PST |
Civil Twilight: 5:07 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 46.0 | 51.0 | 56.9 | 62.4 | 69.5 | 75.4 | 82.7 | 83.7 | 78.0 | 66.1 | 52.7 | 45.9 | 64.2 |
| Mean °F | 39.1 | 42.5 | 46.8 | 50.9 | 57.2 | 62.7 | 68.5 | 68.8 | 63.4 | 53.6 | 44.8 | 39.4 | 53.1 |
| Min °F | 32.2 | 34.0 | 36.6 | 39.3 | 44.8 | 49.9 | 54.3 | 53.8 | 48.8 | 41.1 | 36.9 | 32.8 | 42.0 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 6.97 | 5.92 | 4.81 | 2.95 | 1.99 | 1.39 | 0.50 | 0.74 | 1.57 | 3.13 | 7.02 | 7.87 | 44.86 |

