Current Conditions

Millbrae, California

59°F15°C
Clear

Wind

W 6 mph9 km/h

Humidity

92%

Cloud Cover

39%

As of Tuesday, September 22, 2026 at 10:29 PM PDT

Today's Outlook

Night

Partly cloudy, with a low around 56°F14°C. Light wind from the W around 5 mph8 km/h.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
ClearHigh 70°F21°CLow 56°F14°CPrecip 0 in0 mmCloud 38%Wind WNW 5 mph8 km/hWednesday: Partly cloudy and warm, with a high of 70°F21°C and morning low of 57°F14°C. Breezy from the NW at 5 to 9 mph8 to 15 km/h. Wednesday Night: Partly cloudy, with a low around 56°F14°C. Light wind from the W around 5 mph8 km/h.
Partly CloudyHigh 69°F21°CLow 57°F14°CPrecip 0 in0 mmCloud 63%Wind W 6 mph10 km/hThursday: Mostly cloudy and warm, with a high of 69°F21°C and morning low of 58°F14°C. Breezy from the W at 7 to 10 mph11 to 16 km/h. Thursday Night: Mostly cloudy, with a low around 57°F14°C. Breezy from the W at 6 to 7 mph9 to 12 km/h.
ClearHigh 68°F20°CLow 59°F15°CPrecip 0 in0 mmCloud 38%Wind WNW 8 mph13 km/hFriday: Partly cloudy and warm, with a high of 68°F20°C and morning low of 61°F16°C. Breezy from the WNW at 10 to 12 mph16 to 19 km/h. Friday Night: Partly cloudy, with a low around 59°F15°C. Breezy from the WNW at 7 to 9 mph11 to 14 km/h.
Partly CloudyHigh 67°F19°CLow 55°F13°CPrecip 0 in0 mmCloud 44%Wind W 6 mph9 km/hSaturday: Partly cloudy and mild, with a high of 67°F19°C and morning low of 56°F14°C. Breezy from the W at 6 to 9 mph9 to 14 km/h. Saturday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the W around 6 mph9 km/h.
Partly CloudyHigh 64°F18°CLow 57°F14°CPrecip 0 in0 mmCloud 49%Wind W 8 mph12 km/hSunday: Partly cloudy and mild, with a high of 64°F18°C and morning low of 58°F15°C. Breezy from the W at 8 to 10 mph14 to 16 km/h. Sunday Night: Partly cloudy, with a low around 57°F14°C. Breezy from the W at 7 to 8 mph11 to 13 km/h.
ClearHigh 68°F20°CLow 56°F14°CPrecip 0 in0 mmCloud 25%Wind WNW 6 mph10 km/hMonday: Mostly clear and mild, with a high of 68°F20°C and morning low of 57°F14°C. Breezy from the WNW at 6 to 10 mph10 to 15 km/h. Monday Night: Partly cloudy, with a low around 56°F14°C. Breezy from the W at 6 to 7 mph9 to 11 km/h.
ClearHigh 72°F22°CLow 57°F14°CPrecip 0 in0 mmCloud 15%Wind WNW 5 mph9 km/hTuesday: Mostly clear and warm, with a high of 72°F22°C and morning low of 59°F15°C. Breezy from the WNW at 6 to 9 mph10 to 14 km/h. Tuesday Night: Mostly clear, with a low around 57°F14°C. Light wind from the W around 5 mph8 km/h.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
WednesdaySep 2370°F21°C56°F14°C0 in0 mm· —38%ClearWNW 5 mph8 km/h
ThursdaySep 2469°F21°C57°F14°C0 in0 mm· —63%Partly CloudyW 6 mph10 km/h
FridaySep 2568°F20°C59°F15°C0 in0 mm· —38%ClearWNW 8 mph13 km/h
SaturdaySep 2667°F19°C55°F13°C0 in0 mm· —44%Partly CloudyW 6 mph9 km/h
SundaySep 2764°F18°C57°F14°C0 in0 mm· —49%Partly CloudyW 8 mph12 km/h
MondaySep 2868°F20°C56°F14°C0 in0 mm· —25%ClearWNW 6 mph10 km/h
TuesdaySep 2972°F22°C57°F14°C0 in0 mm· —15%ClearWNW 5 mph9 km/h
WednesdaySep 3072°F22°C58°F15°C0.01 in0.2 mm· 2%36%ClearWNW 5 mph8 km/h
ThursdayOct 171°F22°C59°F15°C0.01 in0.3 mm· 3%46%Partly CloudyWNW 6 mph9 km/h
FridayOct 272°F22°C58°F15°C0.01 in0.2 mm· 3%31%ClearWNW 6 mph9 km/h
SaturdayOct 373°F23°C59°F15°C0.01 in0.2 mm· 2%27%ClearWNW 5 mph8 km/h
SundayOct 473°F23°C60°F15°C0.01 in0.3 mm· 3%27%ClearW 5 mph9 km/h
MondayOct 572°F22°C60°F15°C0.01 in0.3 mm· 3%27%ClearW 5 mph8 km/h
TuesdayOct 672°F22°C60°F15°C0.01 in0.2 mm· 2%30%ClearW 5 mph8 km/h
WednesdayOct 772°F22°C60°F15°C0.02 in0.4 mm· 5%36%ClearW 5 mph9 km/h

Nearby Cities

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 37.5986°N, 122.3872°W·Elevation: 10m·Timezone: America/Los_Angeles·Population: 22,795