Fontana, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 93°F 34°C Heat Index: 92°F	Observed at: Fontana, CA	Elevation: 1108 ft | 338 m
	Last Updated: July 29, 5:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 93°F | 34°C
	Pressure: 28.51 in | 965.6 mb	Dewpoint: 58°F | 14°C
	Humidity: 31%	Wind: W 12 mph | W 19 kph
	Feels Like: 90°F | 32°C	Visibility: 125.4 mi | 201.8 km
	Lat/Long: 34.0922 | -117.435	Sunrise: 5:59 AM   Sunset: 7:53 PM

7 Day Graphical Forecast

Valid: 5:32 PM 7/29/2026

Today Clear 96 |63 °F 35 |17 °C 0% Chance Precipitation Thursday Foggy 99 |61 °F 37 |16 °C 0% Chance Precipitation Friday Partly Cloudy 103 |63 °F 39 |17 °C 0% Chance Precipitation Saturday Clear 104 |85 °F 40 |29 °C 0% Chance Precipitation Sunday Overcast 102 |85 °F 39 |29 °C 0% Chance Precipitation Monday Clear 102 |83 °F 39 |28 °C 0% Chance Precipitation Tuesday Clear 100 |83 °F 38 |28 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:32 PM 7/29/2026

5 PM Clear 94 °F 0% Chance Precipitation

6 PM Clear 91 °F 0% Chance Precipitation

7 PM Clear 86 °F 0% Chance Precipitation

8 PM Clear 81 °F 0% Chance Precipitation

9 PM Clear 77 °F 0% Chance Precipitation

10 PM Clear 74 °F 0% Chance Precipitation

11 PM Clear 71 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Fontana, CA - (Fahrenheit & Celsius) Valid: 5:32 PM 7/29/2026 Today Clear with a high near 96°F [35°C]. WSW wind to around 12 mph [20 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 58°F [14°C] with humidity of 91%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 63°F [17°C]. WSW wind to around 12 mph [20 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Foggy with a high near 99°F [37°C]. W wind to around 14 mph [23 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 58°F [14°C] with humidity of 100%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Foggy with a low around 61°F [16°C]. W wind to around 14 mph [23 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Partly Cloudy with a high near 103°F [39°C]. SW wind to around 10 mph [16 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 58°F [14°C] with humidity of 87%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Partly Cloudy with a low around 63°F [17°C]. SW wind to around 10 mph [16 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 104°F [40°C]. SW wind to around 10 mph [17 kph], with gusts to near 13 mph [22 kph]. Dewpoint near 58°F [14°C] with humidity of 26%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 85°F [29°C]. SW wind to around 10 mph [17 kph], with gusts to near 13 mph [22 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 102°F [39°C]. SW wind to around 10 mph [16 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 58°F [14°C] with humidity of 28%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 85°F [29°C]. SW wind to around 10 mph [16 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 102°F [39°C]. SW wind to around 11 mph [17 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 58°F [14°C] with humidity of 34%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.4. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 83°F [28°C]. SW wind to around 11 mph [17 kph], with gusts to near 14 mph [22 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 100°F [38°C]. SW wind to around 12 mph [19 kph], with gusts to near 13 mph [20 kph]. Dewpoint near 58°F [14°C] with humidity of 37%. Pressure around 28.51 in [965.6 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 83°F [28°C]. SW wind to around 12 mph [19 kph], with gusts to near 13 mph [20 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Fontana, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Fontana, CA

Today: WSW @ 20 kph | 12 mph

Tonight: WSW @ 20 kph | 12 mph

Thursday: W @ 23 kph | 14 mph

Thursday Night: W @ 23 kph | 14 mph

Friday: SW @ 16 kph | 10 mph

Friday Night: SW @ 16 kph | 10 mph

Saturday: SW @ 17 kph | 10 mph

Saturday Night: SW @ 17 kph | 10 mph

Sunday: SW @ 16 kph | 10 mph

Sunday Night: SW @ 16 kph | 10 mph

Monday: SW @ 17 kph | 11 mph

Monday Night: SW @ 17 kph | 11 mph

Tuesday: SW @ 19 kph | 12 mph

Tuesday Night: SW @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Fontana, CA

Today: 91 %

Tonight: 91 %

Thursday: 100 %

Thursday Night: 100 %

Friday: 87 %

Friday Night: 87 %

Saturday: 26 %

Saturday Night: 26 %

Sunday: 28 %

Sunday Night: 28 %

Monday: 34 %

Monday Night: 34 %

Tuesday: 37 %

Tuesday Night: 37 %

7 Day and Night - Snowfall Totals Forecast for Fontana, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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