Johannesburg, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 96°F 36°C Heat Index: 91°F	Observed at: Johannesburg, CA	Elevation: 800 ft | 244 m
	Last Updated: July 30, 6:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 96°F | 36°C
	Pressure: 26.34 in | 892.1 mb	Dewpoint: 26°F | -3°C
	Humidity: 8%	Wind: WSW 17 mph | WSW 27 kph
	Feels Like: 85°F | 29°C	Visibility: 183.5 mi | 295.3 km
	Lat/Long: 35.3672 | -117.6339	Sunrise: 5:57 AM   Sunset: 7:55 PM

7 Day Graphical Forecast

Valid: 9:29 PM 7/30/2026

Today Clear 99 |73 °F 37 |23 °C 0% Chance Precipitation Friday Clear 100 |70 °F 38 |21 °C 0% Chance Precipitation Saturday Overcast 105 |78 °F 40 |25 °C 0% Chance Precipitation Sunday Clear 104 |74 °F 40 |23 °C 0% Chance Precipitation Monday Mostly Clear 102 |71 °F 39 |22 °C 0% Chance Precipitation Tuesday Clear 103 |68 °F 39 |20 °C 0% Chance Precipitation Wednesday Clear 104 |70 °F 40 |21 °C 1% Chance Precipitation

7 Hour Graphical Forecast

Valid: 9:29 PM 7/30/2026

9 PM Clear 82 °F 0% Chance Precipitation

10 PM Clear 80 °F 0% Chance Precipitation

11 PM Clear 79 °F 0% Chance Precipitation

12 AM Clear 76 °F 0% Chance Precipitation

1 AM Clear 76 °F 0% Chance Precipitation

2 AM Clear 75 °F 0% Chance Precipitation

3 AM Clear 74 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Johannesburg, CA - (Fahrenheit & Celsius) Valid: 9:29 PM 7/30/2026 Today Clear with a high near 99°F [37°C]. WSW wind to around 16 mph [26 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 26°F [-3°C] with humidity of 22%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 73°F [23°C]. WSW wind to around 16 mph [26 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Clear with a high near 100°F [38°C]. WSW wind to around 15 mph [24 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 26°F [-3°C] with humidity of 19%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Clear with a low around 70°F [21°C]. WSW wind to around 15 mph [24 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 105°F [40°C]. SW wind to around 25 mph [40 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 26°F [-3°C] with humidity of 12%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.6. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 78°F [25°C]. SW wind to around 25 mph [40 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Clear with a high near 104°F [40°C]. SW wind to around 26 mph [42 kph], with gusts to near 23 mph [36 kph]. Dewpoint near 26°F [-3°C] with humidity of 18%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.6. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 74°F [23°C]. SW wind to around 26 mph [42 kph], with gusts to near 23 mph [36 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Mostly Clear with a high near 102°F [39°C]. SSW wind to around 28 mph [45 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 26°F [-3°C] with humidity of 24%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Mostly Clear with a low around 71°F [22°C]. SSW wind to around 28 mph [45 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 103°F [39°C]. SSW wind to around 28 mph [45 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 26°F [-3°C] with humidity of 24%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 68°F [20°C]. SSW wind to around 28 mph [45 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 104°F [40°C]. SSW wind to around 24 mph [38 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 26°F [-3°C] with humidity of 24%. Pressure around 26.34 in [892.1 mb]. UV Index: 8.5. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 70°F [21°C]. SSW wind to around 24 mph [38 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Johannesburg, CA

Today: 0.0 mm | 0.00 in

Tonight: 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

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Today: WSW @ 26 kph | 16 mph

Tonight: WSW @ 26 kph | 16 mph

Friday: WSW @ 24 kph | 15 mph

Friday Night: WSW @ 24 kph | 15 mph

Saturday: SW @ 40 kph | 25 mph

Saturday Night: SW @ 40 kph | 25 mph

Sunday: SW @ 42 kph | 26 mph

Sunday Night: SW @ 42 kph | 26 mph

Monday: SSW @ 45 kph | 28 mph

Monday Night: SSW @ 45 kph | 28 mph

Tuesday: SSW @ 45 kph | 28 mph

Tuesday Night: SSW @ 45 kph | 28 mph

Wednesday: SSW @ 38 kph | 24 mph

Wednesday Night: SSW @ 38 kph | 24 mph

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

Today: 22 %

Tonight: 22 %

Friday: 19 %

Friday Night: 19 %

Saturday: 12 %

Saturday Night: 12 %

Sunday: 18 %

Sunday Night: 18 %

Monday: 24 %

Monday Night: 24 %

Tuesday: 24 %

Tuesday Night: 24 %

Wednesday: 24 %

Wednesday Night: 24 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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