Redwood City, California

Last updated: 6:46 PM CDT  ·  Refresh
22°C
Feels like 18°
Clear
▲ 22°  /  ▼ 10°
Wind
9 mph NW
Humidity
36%
Dew Point
3°
Pressure
29.87 inHg
Visibility
10 mi
UV Index
4.9
Cloud Cover
2%
Sunrise
7:14 AM
Sunset
6:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Redwood City is currently clear at 22°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:14AM · Sunset: 6:34PM.

Alerts

No active alerts for this location.
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
3%
5 PM
22°
3%
6 PM
19°
3%
7 PM
18°
3%
8 PM
17°
3%
9 PM
16°
3%
10 PM
15°
3%
11 PM
14°
3%
12 AM
14°
3%
1 AM
13°
3%
2 AM
12°
3%
3 AM
12°
3%
4 AM
12°
3%
5 AM
10°
3%
6 AM
10°
3%
7 AM
10°
3%
8 AM
12°
3%
9 AM
12°
3%
10 AM
14°
3%
11 AM
18°
3%
12 PM
19°
3%
1 PM
21°
3%
2 PM
21°
3%
3 PM
21°
3%
7-Day Forecast
Today
22° 10°
Clear.
Wed
23° 10°
Clear.
Thu
27° 12°
Clear.
Fri
29° 16°
Clear.
Sat
28° 14°
Clear.
Sun
22° 12°
Mostly Cloudy.
Mon
19° 12°
Overcast.
TimeTempConditionsPrecipWindHumidity
Now 22° Clear 3% 9 mph NW 36%
5 PM 22° Clear 3% 10 mph NW 40%
6 PM 19° Clear 3% 8 mph WNW 47%
7 PM 18° Mostly Clear 3% 6 mph WNW 53%
8 PM 17° Mostly Clear 3% 4 mph WNW 54%
9 PM 16° Mostly Clear 3% 4 mph WSW 54%
10 PM 15° Mostly Clear 3% 4 mph SW 55%
11 PM 14° Mostly Clear 3% 3 mph SW 56%
12 AM 14° Mostly Clear 3% 3 mph WSW 58%
1 AM 13° Mostly Clear 3% 2 mph WSW 60%
2 AM 12° Clear 3% 2 mph SW 62%
3 AM 12° Mostly Clear 3% 2 mph SW 63%
4 AM 12° Mostly Clear 3% 2 mph WSW 64%
5 AM 10° Mostly Clear 3% 2 mph WSW 64%
6 AM 10° Mostly Clear 3% 2 mph WSW 63%
7 AM 10° Mostly Clear 3% 2 mph WSW 62%
8 AM 12° Clear 3% 2 mph WSW 58%
9 AM 12° Clear 3% 2 mph WNW 50%
10 AM 14° Clear 3% 2 mph NW 42%
11 AM 18° Clear 3% 3 mph NW 38%
12 PM 19° Clear 3% 4 mph NW 36%
1 PM 21° Clear 3% 5 mph NW 34%
2 PM 21° Clear 3% 5 mph NW 34%
3 PM 21° Clear 3% 5 mph NW 36%
15-Day Forecast
Today
10/13
Clear
3%
10°
22°
Wed
10/14
Clear
3%
10°
23°
Thu
10/15
Clear
3%
12°
27°
Fri
10/16
Clear
3%
16°
29°
Sat
10/17
Clear
3%
14°
28°
Sun
10/18
Mostly Cloudy
3%
12°
22°
Mon
10/19
Overcast
13%
12°
19°
Tue
10/20
Clear
27%
11°
21°
Wed
10/21
Mostly Clear
35%
13°
22°
Thu
10/22
Mostly Clear
33%
13°
22°
Fri
10/23
Mostly Clear
25%
12°
20°
Sat
10/24
Clear
25%
12°
21°
Sun
10/25
Clear
3%
13°
22°
Mon
10/26
Clear
25%
13°
23°
Tue
10/27
Clear
3%
13°
22°
38
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
38 AQI 6.9 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 38 Good 30 38
Thu 38 Good 29 38
Fri 53 Moderate 32 53
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Oct 13, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE13 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index13.6
Kinematics
0–6 km Shear43 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-7
0–3 km SRH-16
Eff. SRH—
Storm Motion45° @ 31 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-22.2
Thermo & Levels
PWAT0.45 in
0–3 km LR5.3 °C/km
700–500 LR5.9 °C/km
Total Totals20.3
LCL766 hPa
LFC1012 hPa
EL954 hPa
Freezing Lvl13,681 ft