Help shape the future of Weather Underground. Join our Discord! You are currently viewing the new Weather Underground website. To go back to the old site, .

Home

My Profile

Favorites

Elev 1227 ft, 34.089 °N 117.437 °W

Fontana, CA

Athol and Sierra Station69°

Summary

Temperature (°F)	Actual	Historic Avg.	Record
High Temp	72	93	104
Low Temp	68	63	54
Day Average Temp	69.71	-	-

Precipitation (in)	Actual	Historic Avg.	Record
Precipitation	0	0.01	-

Dew Point (°F)	Actual	Historic Avg.	Record
Dew Point	64.57	-	-
High	65	-	-
Low	64	-	-
Average	64.57	-	-

Wind (mph)	Actual	Historic Avg.	Record
Max Wind Speed	5	-	-
Visibility	10	-	-

Sea Level Pressure (in)	Actual	Historic Avg.	Record
Sea Level Pressure	29.04	-	-

Astronomy	Day Length	Rise	Set
Actual Time	12h 53m	6:22 AM	7:16 PM
Civil Twilight		5:57 AM	7:42 PM
Nautical Twilight		5:26 AM	8:12 PM
Astronomical Twilight		4:55 AM	8:43 PM
Moon: Waning gibbous		9:04 PM	9:56 AM

Daily Observations

Time	Temperature	Dew Point	Humidity	Wind	Wind Speed	Wind Gust	Pressure	Precip.	Condition
12:53 AM	72 °F	64 °F	76 %	W	5 mph	-	29.04 in	0 in	Fair
1:53 AM	71 °F	64 °F	78 %	CALM	0 mph	-	29.03 in	0 in	Fair
2:53 AM	71 °F	64 °F	78 %	CALM	0 mph	-	29.04 in	0 in	Fair
3:53 AM	69 °F	65 °F	87 %	W	3 mph	-	29.04 in	0 in	Fair
4:53 AM	69 °F	65 °F	87 %	CALM	0 mph	-	29.04 in	0 in	Fair
5:53 AM	68 °F	65 °F	90 %	WSW	3 mph	-	29.04 in	0 in	Fair
6:53 AM	68 °F	65 °F	90 %	CALM	0 mph	-	29.05 in	0 in	Fair

Our Apps About Us Contact Careers Weather Data APIs

PWS Network Wundermap Feedback & Support

Terms of Use Privacy Policy Cookie Notice Accessibility Statement AdChoices Data Vendors

essentialaccessibility.com

We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.

Review All Privacy and Ad Settings

Choose how my information is shared

Data Rights

The Weather Company The Weather Channel Weather Underground Storm Radar

© The Weather Company, LLC 2026