Forecast Details for Rohnert Park, CA

Recent Locations: Woodland, CA Twain Harte, CA Rohnert Park, CA

Tonight: Patchy fog before 1am, then patchy fog after 3am. Otherwise, increasing clouds, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

Thursday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.

Thursday Night: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 51. West southwest wind 5 to 7 mph becoming calm in the evening.

Friday: Areas of fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

Friday Night: Mostly clear, with a low around 52. West southwest wind 5 to 7 mph becoming calm in the evening.

Saturday: Sunny, with a high near 86.

Saturday Night: Mostly clear, with a low around 53.

Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84.

Sunday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 52.

Labor Day: Areas of fog before 9am. Otherwise, sunny, with a high near 78.

Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 52.

Tuesday: Areas of fog. Otherwise, mostly sunny, with a high near 76.

Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 52.

Wednesday: Areas of fog. Otherwise, mostly sunny, with a high near 77.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds