Weather in Seward: March
![]() |
Average day temperature: | 30.0°F |
Average night temperature: | 19.7°F | |
![]() |
Sea water temperature: | 39.1°F |
![]() |
Number of sunny days: | 5 days |
Day length: | 10.5 - 13.3 hours | |
![]() |
Number of days with precipitation: | 2 days |
Precipitation totals: | 1.3 in. | |
more information |
forecast
Seward |
temperature
Seward |
Air temperature in March, °F
Day temperature | Night temperature |
The highest day temperature during March of 2025 was 39°F. At the same time the lowest night temperature was 5°F. Daily and nightly averages during March were 35.3°F and 24.0°F.
Sea water temperature in Seward in March, °F
The average sea water temperature in March of 2025 was 38.9°F. The highest and lowest sea temperatures during the month were 40.5°F and 37.6°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in Seward in March is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in March is 4.6 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 3.8.
Best time for vacation in Seward
Seward on a weather map

6 mph

7 mph

11 mph

11 mph

11 mph

11 mph

17 mph

16 mph