Lake Oswego
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Lake Oswego Weather in March

March in Lake Oswego brings moderate temperatures, with daytime highs of 13°C (55°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 150 mm (5.9 in), so pack an umbrella.

Rainfall in Lake Oswego in March

On average, there are about 22 days with rain during this month, averaging 150 mm (5.9 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Lake Oswego in March

In March, expect moderate temperatures in Lake Oswego, with highs of 13°C (55°F) and lows of 4°C (39°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Lake Oswego in March

Expect a lot of sunshine this month, with about 191 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

Wind Speed in Lake Oswego in March

March has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Lake Oswego.

Lake Oswego Temperature in March

Min Temperature
4°C (39°F)
Max Temperature
13°C (55°F)
Chance of Rain
73%
Precipitation
150 mm (5.9 in)
Rainy days
22 days
Humidity
75% *
Windspeed
3 m/s (6 knots) *
Sunshine
191 hours *
Percentage Sunshine
*
* Data from: Portland, the United States of America (20 KM, 12 Miles).

Lake Oswego Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lake Oswego - and find the best time to visit.

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Lake Oswego in March

Pack for changing conditions in Lake Oswego in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Lake Oswego in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Lake Oswego 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.