King County
March
Weather in King County for March 2025
Your guide to King County weather in March - trends and predictions
In general, the average temperature in King County at the beginning of March is 6.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.7 °F by the end of March.
King County sees moderate rainfall in March, averaging 9 rainy days.
With an average of 3 snowy days, King County enjoys a light touch of snow in March.
- New! Chat with our AI weatherman - it’s amazing and free.
19
Dry days
9
Rainy days
3
Snow days
12°/1°
Temperatures
13 km/h
Avg max wind
78 %
Avg humidity
King County in March average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  5° | 2  5° | |||||
| 3  5° | 4  5° | 5  8° | 6  8° | 7  8° | 8  8° | 9 10° |
| 10  7° | 11 9° | 12  11° | 13 9° | 14 12° | 15 14° | 16 16° |
| 17 18° | 18 17° | 19 17° | 20 13° | 21 10° | 22 13° | 23 9° |
| 24 11° | 25 9° | 26 11° | 27 11° | 28 13° | 29  15° | 30 11° |
| 31 12° |
You can click on date
Access King County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during March in King County
See the weather trend as well as the moving average line
March weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 | Light snow | 5° /-2° | 3.4 mm | 2.5 cm | |
| Mar. 2 | Light drizzle | 5° /-1° | 0.9 mm | 0 cm | |
| Mar. 3 | Light snow showers | 5° /-1° | 3 mm | 0.4 cm | |
| Mar. 4 | Overcast | 5° /-1° | 0.7 mm | 0.5 cm | |
| Mar. 5 | Cloudy | 8° /-1° | 4.9 mm | 0 cm | |
| Mar. 6 | Freezing fog | 8° /-2° | 0.1 mm | 0 cm | |
| Mar. 7 | Patchy rain possible | 8° /0° | 0.1 mm | 0 cm | |
| Mar. 8 | Fog | 8° /1° | 0.1 mm | 0 cm | |
| Mar. 9 | Overcast | 10° /1° | 4.4 mm | 0 cm | |
| Mar. 10 | Light sleet | 7° /2° | 8.8 mm | 0 cm | |
| Mar. 11 | Patchy rain possible | 9° /2° | 6.5 mm | 0 cm | |
| Mar. 12 | Moderate rain | 11° /2° | 4.8 mm | 0 cm | |
| Mar. 13 | Moderate rain | 9° /3° | 12.4 mm | 0 cm | |
| Mar. 14 | Mist | 12° /0° | 0 mm | 0 cm | |
| Mar. 15 | Patchy rain possible | 14° /1° | 0.3 mm | 0 cm | |
| Mar. 16 | Overcast | 16° /2° | 0 mm | 0 cm | |
| Mar. 17 | Overcast | 18° /4° | 0 mm | 0 cm | |
| Mar. 18 | Overcast | 17° /5° | 0 mm | 0 cm | |
| Mar. 19 | Overcast | 17° /6° | 0.6 mm | 0 cm | |
| Mar. 20 | Light rain shower | 13° /5° | 2.8 mm | 0 cm | |
| Mar. 21 | Mist | 10° /5° | 1.3 mm | 0 cm | |
| Mar. 22 | Patchy rain possible | 13° /4° | 6.9 mm | 0 cm | |
| Mar. 23 | Light rain shower | 9° /4° | 11.6 mm | 0 cm | |
| Mar. 24 | Light rain shower | 11° /4° | 9.4 mm | 3.4 cm | |
| Mar. 25 | Light rain shower | 9° /3° | 1.9 mm | 0 cm | |
| Mar. 26 | Light snow showers | 11° /2° | 2.2 mm | 0.2 cm | |
| Mar. 27 | Overcast | 11° /1° | 7.3 mm | 0 cm | |
| Mar. 28 | Overcast | 13° /3° | 2.6 mm | 0 cm | |
| Mar. 29 | Partly cloudy | 15° /3° | 0.3 mm | 0 cm | |
| Mar. 30 | Overcast | 11° /3° | 0.1 mm | 0 cm | |
| Mar. 31 | Light rain shower | 12° /3° | 0.7 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for King County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the King County forecast closer to your planned date for the most up-to-date weather information.
King County in March - FAQ
What are the expected maximum and minimum temperatures in King County during March?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 1°.
How much rainfall should be expected in King County during March?
Significant rainfall exceeding 195.7 mm is expected in King County during March, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in King County during March?
King County experiences an average snowfall of 14 cm during March, occurring over 3 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in King County during March?
The average wind speed in King County during March is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in King County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is King County?Get accurate weather forecasts for King County, located at latitude 47.606 and longitude -122.332. Stay updated with localized weather information tailored for King County.
Found a mistake?
We appreciate your attention to details. Tell us here.