Seattle
March
Weather in Seattle for March 2025
Your guide to Seattle weather in March - trends and predictions
In general, the average temperature in Seattle 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.
Seattle sees moderate rainfall in March, averaging 9 rainy days.
With an average of 3 snowy days, Seattle enjoys a light touch of snow in March.
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19
Dry days
9
Rainy days
3
Snow days
12°/1°
Temperatures
13 km/h
Avg max wind
78 %
Avg humidity
Seattle in March average weather
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| 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° |
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Temperatures trend during March in Seattle
See the weather trend as well as the moving average line
March weather day by day
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| 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 | |
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Important Notice
Our weather forecast for Seattle 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 Seattle forecast closer to your planned date for the most up-to-date weather information.
Seattle in March - FAQ
What are the expected maximum and minimum temperatures in Seattle during March?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 1°.
How much rainfall should be expected in Seattle during March?
Significant rainfall exceeding 195.7 mm is expected in Seattle during March, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Seattle during March?
Seattle 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 Seattle during March?
The average wind speed in Seattle during March is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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