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
19:17
Sunset
Moon
Waxing Crescent
11:07
Moonrise
20:09
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Olympia.
UV Index
Humidity
Weather in Olympia tomorrow, September 15, 2026
Olympia 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. The first half of the day looks overcast, as cloud amounts reach about 100% around 00:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 11°C up to 20°C. The air stays humid, with relative humidity between 56% and 97% and the peak around 03:00. Winds stay light, near 4.4 km/h by 16:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.1 km on average, though it can drop toward 13.0 km in thicker cloud or showers. The sun rises at 06:56 and sets at 19:15, for a total of 12 hours 19 minutes of sunlight today.
Overall, Olympia on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 20°C.
Frequently asked questions about weather in Olympia
How warm does it get in Olympia?
The warmest month in Olympia is August, with average high temperatures of 26°C. The average temperature during this period is around 19°C.
How cold does it get in Olympia?
The coldest month in Olympia is February, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Olympia?
The wettest month in Olympia is December, with an average of 213mm of precipitation.
What is the driest time of year in Olympia?
The driest month in Olympia is July, with an average of 9mm of precipitation.
Explore more weather forecasts
- Tumwater, Washington
- New York City, New York
- Lacey, Washington
- Los Angeles, California
- Joint Base Lewis McChord, Washington
- Brooklyn, New York
- Lakewood, Washington
- Chicago, Illinois
- University Place, Washington
- Houston, Texas
- Artondale, Washington
- Queens, New York
- Spanaway, Washington
- Phoenix, Arizona
- Centralia, Washington
- Philadelphia, Pennsylvania
