Solar Energy & Solar Power Resources

Solar Power in 98138 (Seattle, WA)

Solar Energy in 98138

Sorry, historical solar radition values for 98138 are currently unavailable, please check back later.

Solar Panels in 98138

Solar panels in 98138 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 98138

The total length of the day in 98138 (Seattle, WA) today (September 10, 2026) will be 12 hours and 55 minutes. [More]

Solar Energy in 98138 (Seattle, WA)

Solar Energy Data for 98138

See the chart below to see how different types of solar panel installations compare in 98138.

Historical solar power output data for Seattle is not currently available.

Solar Energy Analysis for 98138

Sorry, it is not possible to complete our solar energy analysis for 98138 at this time.

Please check back later.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in 98138

Solar Radiation Data in 98138

See the chart below for monthly solar radiation levels in 98138.

Sorry, data is not currently available.

Solar Radiation Analysis for 98138

Sorry, it is not possible to complete our solar radiation analysis for 98138 at this time.

Historical solar radiation data for 98138 is not currently available.

Please check back later.

Solar Power Comparison: 98138 vs. the U.S.

Solar Power Levels in 98138

Sorry, solar radiation data for 98138 is not currently available.

Solar Power: 98138 vs. the U.S.

Below is a month-by-month comparison of how average 98138 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for Washington is not currently available.

Solar Data & Statistics for 98138

Sunrise / Sunset in 98138

Sunrise/Sunset for September 10, 2026 ^[2]
- Sunrise: 6:38 am
- Sunset: 7:33 pm
- Length of Day: 12:55

Best Months for Solar in 98138

Monthly data not currently available.

Solar Panel Installs in 98138

We do not have data on solar panel installations in ZIP Code 98138 at the current time.

Solar Power Output in 98138

The Power of Solar in 98138

Monthly AC solar system output averages for 98138. Month-by-month solar power, as ranked by AC output, in 98138. ^[2]

AC output data is not currently available.

Solar Output Analysis for 98138

Sorry, it is not possible to complete our solar radiation analysis for 98138 at this time.

Historical solar radiation data for 98138 is not currently available.

Please check back later.

Weather Forecast for 98138 ^[5]

Thu Sep 10

69°F

Overcast Clouds
Min: 58°F
Max: 72°F

Light breeze: 7 mps ENE
Precip.: n/a
Humidity: 58%
Cloud cover: 97%

Fri Sep 11

65°F

Overcast Clouds
Min: 58°F
Max: 70°F

Light breeze: 7 mps S
Precip.: n/a
Humidity: 55%
Cloud cover: 100%

Sat Sep 12

63°F

Light Rain
Min: 56°F
Max: 65°F

Gentle Breeze: 8 mps NNE
Precip.: Chance of Rain
Humidity: 68%
Cloud cover: 100%

Sun Sep 13

63°F

Overcast Clouds
Min: 53°F
Max: 67°F

Gentle Breeze: 9 mps S
Precip.: n/a
Humidity: 63%
Cloud cover: 100%

Mon Sep 14

71°F

Few Clouds
Min: 52°F
Max: 71°F

Light breeze: 5 mps N
Precip.: n/a
Humidity: 44%
Cloud cover: 22%

Tue Sep 15

75°F

Sky Is Clear
Min: 52°F
Max: 75°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 42%
Cloud cover: 1%

More about 98138

About 98138

The ZIP code 98138 is associated with the city of Seattle in King County in Washington.

98138 Solar Energy & Power

To learn more about solar energy and solar power in 98138, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.