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, with thunderstorms also possible after 4pm.

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

The 7-day forecast for Guasti shows highs from 62 to 67 degrees and lows from 48 to 59 degrees Fahrenheit. Expect precipitation on 6 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 (100% chance), Saturday (100% chance), Sunday (50% chance), Monday (60% chance), Tuesday (50% chance), Thursday (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

62°F
Feels Like 62°F

Humidity 93% Dew Point 60°F Wind NE 8 MPH Barometer 29.97 in.761.2 mm

Solar Rad 118 w/m² Visibility 4 mi.

Report from a NOAA weather station 1 miles S of central Guasti
at 1:33 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

80%

SatNov 15

100%

SunNov 16

50%

MonNov 17

60%

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 62°F to 67°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 8°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

1986 - An early season cold wave set more than 200 records from the northwestern U.S. to the east coast over a seven day period. For some places it proved to be the coldest weather of the winter season.

Guasti, CA 7 Day Weather Forecast Details

Friday Nov 14

Day: Showers, with thunderstorms also possible after 4pm. High near 67. Calm wind becoming north around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Showers likely and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half 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 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Night: Showers and possibly a thunderstorm. Low around 52. South wind 5 to 10 mph. Chance of precipitation is 100%. 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. Cloudy, with a high near 62. Southwest wind 5 to 10 mph. 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. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

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

Tuesday Nov 18

Day: A chance of showers. Partly sunny, with a high near 62.

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

Wednesday Nov 19

Day: Mostly sunny, with a high near 64.

Night: Partly cloudy, with a low around 48.

Thursday Nov 20

Day: A slight chance of showers. Partly sunny, with a high near 62.

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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