Port Costa, CA

Hourly

12 AM

49° RealFeel® 47° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Intermittent clouds

• Wind: WSW 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 92%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 50%
• Visibility: 10 mi
• Cloud Ceiling: 20000 ft

1 AM

48° RealFeel® 47° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: WSW 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 92%
• Indoor Humidity: 45% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 76%
• Visibility: 4 mi
• Cloud Ceiling: 2000 ft

2 AM

49° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: WSW 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 91%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 76%
• Visibility: 2 mi
• Cloud Ceiling: 1500 ft

3 AM

49° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: NNW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 92%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 76%
• Visibility: 1.00 mi
• Cloud Ceiling: 1000 ft

4 AM

49° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: NE 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 92%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 79%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

5 AM

49° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: ENE 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 91%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 84%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

6 AM

48° RealFeel® 47° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• Wind: ENE 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 94%
• Indoor Humidity: 45% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

7 AM

49° RealFeel® 47° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• RealFeel Shade™: 47°
• Wind: ENE 5 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 5 mph
• Humidity: 93%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

8 AM

49° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• RealFeel Shade™: 48°
• Wind: ENE 5 mph
• Air Quality: Fair
• Max UV Index: 0.3 (Low)
• Wind Gusts: 6 mph
• Humidity: 93%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 70%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

9 AM

51° RealFeel® 50° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• RealFeel Shade™: 50°
• Wind: ENE 5 mph
• Air Quality: Fair
• Max UV Index: 0.6 (Low)
• Wind Gusts: 6 mph
• Humidity: 90%
• Indoor Humidity: 48% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 70%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

10 AM

53° RealFeel® 52° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Fog

• RealFeel Shade™: 52°
• Wind: ENE 6 mph
• Air Quality: Fair
• Max UV Index: 0.9 (Low)
• Wind Gusts: 7 mph
• Humidity: 85%
• Indoor Humidity: 49% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 1.00 mi
• Cloud Ceiling: 1000 ft

11 AM

55° RealFeel® 58° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Fog

• RealFeel Shade™: 53°
• Wind: ENE 6 mph
• Air Quality: Fair
• Max UV Index: 2.4 (Low)
• Wind Gusts: 7 mph
• Humidity: 80%
• Indoor Humidity: 51% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 50%
• Visibility: 2 mi
• Cloud Ceiling: 30000 ft

12 PM

57° RealFeel® 61° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Fog

• RealFeel Shade™: 56°
• Wind: ENE 6 mph
• Air Quality: Fair
• Max UV Index: 2.6 (Moderate)
• Wind Gusts: 6 mph
• Humidity: 75%
• Indoor Humidity: 51% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 4 mi
• Cloud Ceiling: 30000 ft

1 PM

58° RealFeel® 63° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 57°
• Wind: ENE 5 mph
• Air Quality: Fair
• Max UV Index: 2.4 (Low)
• Wind Gusts: 6 mph
• Humidity: 72%
• Indoor Humidity: 51% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

59° RealFeel® 63° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 58°
• Wind: ESE 5 mph
• Air Quality: Fair
• Max UV Index: 2.0 (Low)
• Wind Gusts: 6 mph
• Humidity: 71%
• Indoor Humidity: 51% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

60° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 59°
• Wind: SW 5 mph
• Air Quality: Fair
• Max UV Index: 1.5 (Low)
• Wind Gusts: 6 mph
• Humidity: 69%
• Indoor Humidity: 52% (Ideal Humidity)
• Dew Point: 50° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

59° RealFeel® 60° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 60°
• Wind: WSW 5 mph
• Air Quality: Fair
• Max UV Index: 0.7 (Low)
• Wind Gusts: 5 mph
• Humidity: 73%
• Indoor Humidity: 52% (Ideal Humidity)
• Dew Point: 50° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

56° RealFeel® 56° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Partly cloudy

• Wind: WSW 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 80%
• Indoor Humidity: 53% (Ideal Humidity)
• Dew Point: 50° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

54° RealFeel® 54° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 0% Partly cloudy

• Wind: WSW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 85%
• Indoor Humidity: 52% (Ideal Humidity)
• Dew Point: 50° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

52° RealFeel® 52° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: WSW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 90%
• Indoor Humidity: 50% (Ideal Humidity)
• Dew Point: 49° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

51° RealFeel® 51° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: WSW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 91%
• Indoor Humidity: 49% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

50° RealFeel® 50° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: WSW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 91%
• Indoor Humidity: 48% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

49° RealFeel® 49° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: WNW 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 91%
• Indoor Humidity: 47% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

49° RealFeel® 49° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: ENE 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 90%
• Indoor Humidity: 46% (Ideal Humidity)
• Dew Point: 46° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft