What is today's weather forecast for Guasti, CA?

Today's forecast for Guasti shows a high of 67 degrees and a low of 59 degrees Fahrenheit. Showers and possibly a thunderstorm.

What is the 7-day weather forecast for Guasti, CA?

The 7-day forecast for Guasti shows highs from 61 to 67 degrees and lows from 48 to 59 degrees Fahrenheit. Expect precipitation on 8 days with chances of 20% or higher.

Will it rain in Guasti, CA this week?

Yes, rain is possible in Guasti this week. Precipitation chances: Friday (90% chance), Saturday (100% chance), Sunday (50% chance), Monday (70% chance), Tuesday (50% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance).

How accurate is the Guasti weather forecast?

WeatherForYou provides highly accurate Guasti forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Guasti, CA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Watch

Current Conditions From Nearby Local Station

Switch to Metric Units

63°F
Feels Like 63°F

Humidity 87% Dew Point 59°F Wind NE 5 MPH Barometer 29.96 in.761 mm

Solar Rad 33 w/m² Visibility 9 mi.

Report from a NOAA weather station 1 miles S of central Guasti
at 3:53 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

80%

SatNov 15

100%

SunNov 16

50%

MonNov 17

70%

TueNov 18

50%

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 61°F to 67°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for November. Normal highs for this period are around 71°F with lows around 46°F.

This Date in Weather History

1974 - A storm produced 15 inches of snow at the Buffalo, NY, airport, and 30 inches on the south shore of Lake Erie.

Guasti, CA 7 Day Weather Forecast Details

Friday Nov 14

Day: Showers and possibly a thunderstorm. High near 67. North wind around 5 mph becoming west. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Nov 15

Day: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 64. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Night: Showers and possibly a thunderstorm. Low around 51. Southwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Nov 16

Day: A chance of showers. Mostly cloudy, with a high near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

Monday Nov 17

Day: Showers likely, mainly after 10am. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

Night: Showers likely. Mostly cloudy, with a low around 49.

Tuesday Nov 18

Day: A chance of showers. Partly sunny, with a high near 61.

Night: A chance of showers, mainly before 10pm. Partly cloudy, with a low around 48.

Wednesday Nov 19

Day: Sunny, with a high near 66.

Night: A slight chance of showers. Partly cloudy, with a low around 49.

Thursday Nov 20

Day: A chance of showers. Partly sunny, with a high near 65.

Night: A chance of showers. The rain could be heavy at times. Mostly cloudy, with a low around 51.

Friday Nov 21

Day: A chance of showers. Partly sunny, with a high near 64.

About Guasti, CA

Guasti, formerly known as South Cucamonga and Zucker, is a formerly unincorporated community in the Cucamonga Valley region of the Pomona Valley, in southwestern San Bernardino County, California.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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