See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:55
Sunrise
19:13
Sunset
Moon
Waxing Crescent
12:11
Moonrise
20:34
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Happy Valley.
Resources
UV Index
Humidity
Weather in Happy Valley today, September 15, 2026
Happy Valley looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Cloud leads the morning, peaking close to 100% near 02:00. Sunshine has little room until later in the day.
The temperature range runs from about 11°C up to 19°C. Expect humidity between 53% and 91%, most humid near 07:00. Winds stay light, near 2.4 km/h by 16:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 16.1 km, though it can fall to 15.5 km. The sun rises at 06:55 and sets at 19:13, for a total of 12 hours 18 minutes of sunlight today.
Taken together, overcast skies in Happy Valley on September 15, 2026 favour indoor or covered options, with temperatures near 19°C.
Frequently asked questions about weather in Happy Valley
How warm does it get in Happy Valley?
The warmest month in Happy Valley is August, with average high temperatures of 30°C. The average temperature during this period is around 21°C.
How cold does it get in Happy Valley?
The coldest month in Happy Valley is February, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Happy Valley?
The wettest month in Happy Valley is December, with an average of 261mm of precipitation.
What is the driest time of year in Happy Valley?
The driest month in Happy Valley is July, with an average of 7mm of precipitation.
Explore more weather forecasts
- Damascus, Oregon
- New York City, New York
- Oatfield, Oregon
- Los Angeles, California
- Milwaukie, Oregon
- Brooklyn, New York
- Gladstone, Oregon
- Chicago, Illinois
- Oak Grove, Oregon
- Houston, Texas
- Gresham, Oregon
- Queens, New York
- West Linn, Oregon
- Phoenix, Arizona
- Lake Oswego, Oregon
- Philadelphia, Pennsylvania