Portland (OR)
March
Weather in Portland, Oregon for March 2026
Your guide to Portland weather in March - trends and predictions
Portland typically experiences moderate snowfall in March, with an average of 9 snowy days.
In general, the average temperature in Portland at the beginning of March is 7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12 °F by the end of March.
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Snow Forecast ❄️
Temperatures
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7
Dry days
15
Rainy days
9
Snow days
10°/4°
Temperatures
14 km/h
Avg max wind
83 %
Avg humidity
Portland Weather March
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Temperatures trend during March in Portland
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March weather in Portland day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 |  Overcast | 6° /1° | 2.9 mm | 2 cm | |
| Mar. 2 |  Heavy snow | 6° /2° | 4.6 mm | 2.3 cm | |
| Mar. 3 |  Light snow showers | 5° /2° | 2.7 mm | 1.2 cm | |
| Mar. 4 |  Light sleet showers | 6° /2° | 4.5 mm | 1 cm | |
| Mar. 5 |  Light drizzle | 9° /1° | 0.6 mm | 0 cm | |
| Mar. 6 |  Fog | 9° /0° | 0.1 mm | 0 cm | |
| Mar. 7 | Light sleet showers | 8° /1° | 1.2 mm | 0.4 cm | |
| Mar. 8 | Fog | 12° /1° | 0 mm | 0 cm | |
| Mar. 9 | Overcast | 9° /4° | 4.6 mm | 0 cm | |
| Mar. 10 |  Light rain shower | 8° /3° | 14 mm | 0.6 cm | |
| Mar. 11 | Light rain shower | 9° /3° | 4 mm | 0 cm | |
| Mar. 12 |  Moderate rain | 10° /2° | 11.9 mm | 0 cm | |
| Mar. 13 | Light rain shower | 9° /3° | 10.1 mm | 0 cm | |
| Mar. 14 | Moderate rain | 10° /1° | 5.6 mm | 0 cm | |
| Mar. 15 | Light rain shower | 12° /3° | 5.1 mm | 0 cm | |
| Mar. 16 |  Freezing fog | 14° /3° | 3.8 mm | 0 cm | |
| Mar. 17 | Overcast | 15° /4° | 1.4 mm | 0 cm | |
| Mar. 18 | Mist | 16° /5° | 0 mm | 0 cm | |
| Mar. 19 | Light rain shower | 14° /7° | 3.8 mm | 0 cm | |
| Mar. 20 | Light rain shower | 10° /5° | 7.8 mm | 0 cm | |
| Mar. 21 | Fog | 12° /5° | 0.6 mm | 0 cm | |
| Mar. 22 | Light rain shower | 12° /4° | 1.9 mm | 0 cm | |
| Mar. 23 | Light sleet showers | 11° /5° | 6.8 mm | 0 cm | |
| Mar. 24 |  Moderate or heavy snow showers | 13° /6° | 5.3 mm | 1.3 cm | |
| Mar. 25 |  Moderate or heavy snow with thunder | 13° /4° | 4.3 mm | 1.1 cm | |
| Mar. 26 | Light sleet showers | 13° /4° | 18.6 mm | 2.4 cm | |
| Mar. 27 | Overcast | 13° /4° | 11.4 mm | 0 cm | |
| Mar. 28 | Light rain shower | 9° /5° | 11 mm | 0 cm | |
| Mar. 29 | Overcast | 13° /3° | 0.1 mm | 0 cm | |
| Mar. 30 | Fog | 12° /3° | 0.3 mm | 0 cm | |
| Mar. 31 | Light rain shower | 11° /4° | 6 mm | 0 cm | |
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Important Notice
Our weather forecast for Portland 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 Portland forecast closer to your planned date for the most up-to-date weather information.
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Portland in March - FAQ
What are the expected maximum and minimum temperatures in Portland during March?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Portland during March?
Significant rainfall exceeding 155.3 mm is expected in Portland during March, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Portland in March 2026?
Portland experiences an average snowfall of 12.2033 cm during March, occurring over 9 days.
What are the typical wind conditions in Portland during March?
The average wind speed in Portland during March is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
Portland snow forecast March 2026
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March rainfall patterns in Portland
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