10-Day Weather Forecast - Grand Valley, Ontario, CA
- 59|39°FMostly SunnyHourly details
Today
59°FMostly sunny. High temperature around 59F. Dew point will be around 31F with an average humidity of 66%. Winds will be 5 mph from the E.
Tonight
39°FMostly clear. Low temperature around 39F. Dew point will be around 32F with an average humidity of 67%. Winds will be 4 mph from the SE.
- 60|48°FMostly SunnyHourly details
Day
60°FMostly sunny. High temperature around 60F. Dew point will be around 36F with an average humidity of 67%. Winds will be 9 mph from the SE.
Night
48°FPartly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 38F with an average humidity of 81%. Winds will be 13 mph from the SE.
- 61|41°FThunderstormsHourly details
Day
61°FCloudy with a 85% chance for rain and thunderstorms. High temperature around 61F. Dew point will be around 47F with an average humidity of 73%. Winds will be 16 mph from the S.
Night
41°FMostly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 41F. Dew point will be around 42F with an average humidity of 81%. Winds will be 7 mph from the NW.
- 46|36°F70% Chance of RainHourly details
Day
46°FCloudy with probable rain. Chance of precipitation 65%. High temperature around 46F. Dew point will be around 36F with an average humidity of 73%. Winds will be 8 mph from the NW.
Night
36°FPartly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 36F. Dew point will be around 33F with an average humidity of 82%. Winds will be 11 mph from the NW.
- 46|32°FPartly CloudyHourly details
Day
46°FPartly cloudy. High temperature around 46F. Dew point will be around 29F with an average humidity of 59%. Winds will be 11 mph from the NW.
Night
32°FMostly clear. Low temperature around 32F. Dew point will be around 24F with an average humidity of 64%. Winds will be 9 mph from the NW.
- 43|31°FPartly CloudyHourly details
Day
43°FPartly cloudy. High temperature around 43F. Dew point will be around 23F with an average humidity of 51%. Winds will be 11 mph from the NW.
Night
31°FMostly clear. Low temperature around 31F. Dew point will be around 22F with an average humidity of 63%. Winds will be 9 mph from the NW.
Weekend Weather
- 44|33°FMostly Sunny
Day
44°FMostly sunny. High temperature around 44F. Dew point will be around 24F with an average humidity of 52%. Winds will be 11 mph from the NW.
Night
33°FClear. Low temperature around 33F. Dew point will be around 24F with an average humidity of 62%. Winds will be 9 mph from the NW.
- 49|37°FPartly Cloudy
Day
49°FPartly cloudy. High temperature around 49F. Dew point will be around 30F with an average humidity of 58%. Winds will be 8 mph from the NW.
Night
37°FPartly cloudy. Low temperature around 37F. Dew point will be around 31F with an average humidity of 70%. Winds will be 6 mph from the NW.
- 53|41°F40% Chance of Rain
Day
53°FMostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 53F. Dew point will be around 35F with an average humidity of 60%. Winds will be 4 mph from the NW.
Night
41°FMostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 41F. Dew point will be around 35F with an average humidity of 73%. Winds will be 3 mph from the NW.
- 54|42°F50% Chance of Rain
Day
54°FPartly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 54F. Dew point will be around 37F with an average humidity of 62%. Winds will be 3 mph from the NW.
Night
42°FCloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 42F. Dew point will be around 36F with an average humidity of 73%. Winds will be 2 mph from the NW.













