Sammamish, WA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Sammamish now
Loading the National Weather Service forecast…
Sammamish weather by the hour
Sammamish weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Sammamish.
This week in Sammamish
Sunrise, sunset and moon in Sammamish
What is the weather usually like in Sammamish?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 76°F average high
- Februarycoldest month · 35°F average low
- 63.3 inprecipitation per year · 1,607 mm
- 3.6 insnowfall per year · 9 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Sammamish: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SNOQUALMIE FALLS, WA US (USC00457773), adjusted for the elevation of Sammamish.
Sammamish weather month by month
Sunrise and sunset in Sammamish through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:49 AM | 4:45 PM | 8 h 56 min |
| February | 7:11 AM | 5:33 PM | 10 h 21 min |
| March | 7:18 AM | 7:15 PM | 11 h 56 min |
| April | 6:16 AM | 7:59 PM | 13 h 42 min |
| May | 5:28 AM | 8:40 PM | 15 h 12 min |
| June | 5:07 AM | 9:09 PM | 16 h 1 min |
| July | 5:24 AM | 9:03 PM | 15 h 39 min |
| August | 6:02 AM | 8:22 PM | 14 h 19 min |
| September | 6:44 AM | 7:21 PM | 12 h 37 min |
| October | 7:25 AM | 6:21 PM | 10 h 55 min |
| November | 7:12 AM | 4:33 PM | 9 h 21 min |
| December | 7:47 AM | 4:18 PM | 8 h 31 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Sammamish?
Sammamish has a warm-summer mediterranean climate. The warmest month is August, with an average high of 76°F (25°C), and the coldest is February, with average lows of 35°F (2°C).
It gets about 63.3 inches (1,607 mm) of precipitation a year. The wettest month is November and the driest is August. Snow is common: about 4 inches fall in an average year.
The best time to visit Sammamish is June to September. At 541 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Sammamish
Weather in towns near Sammamish
Questions about the weather in Sammamish
What is the hottest month in Sammamish?
August, with an average high of 76°F (25°C).
What is the coldest month in Sammamish?
February, with an average low of 35°F (2°C).
How much does it rain in Sammamish?
About 63.3 inches (1,607 mm) a year; the wettest month is November.
Does it snow in Sammamish?
Yes, about 4 inches of snow fall in an average year.
When is the best time to visit Sammamish?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Sammamish have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Sammamish in November?
Highs average 51°F and lows 38°F, with about 9.5 inches of precipitation.
What time is sunrise in Sammamish?
Around 7:12 AM in mid-November, and sunset around 4:33 PM. Today’s exact times are shown above.
Where does this Sammamish weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Sammamish.
Last updated: