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WeatherLive › California › Alum Rock

Alum Rock, CA Weather (95127)

ZIP codes: 95127 · 95156 · 95116 · 95133
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherAlum Rock · 12:50 AM PDT
86° | 54°
60°F
Feels like 61°
Mostly cloudy
WindNW 2 mph · Gusts 5 mph
Precip7% · –
Humidity92% · Dew point 58°
UV index9 Very high
Air Quality26 Good
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:23 AM · 7:59 PM · 13h 36m

Weather map — Alum Rock

Full radar →
Now
60°
19%
3 mph
01:00
60°
31%
2 mph
02:00
60°
26%
2 mph
03:00
60°
31%
3 mph
04:00
59°
23%
3 mph
05:00
58°
20%
3 mph
06:00
59°
31%
3 mph
07:00
59°
32%
3 mph
08:00
59°
32%
4 mph
09:00
61°
29%
3 mph
10:00
63°
17%
4 mph
11:00
76°
1%
4 mph
12:00
80°
1%
4 mph
13:00
84°
1%
4 mph
14:00
86°
0%
5 mph
15:00
86°
0%
6 mph
16:00
85°
1%
8 mph
17:00
82°
1%
7 mph
18:00
77°
2%
7 mph
19:00
72°
4%
6 mph
20:00
60°
8%
4 mph
21:00
56°
9%
3 mph
22:00
55°
10%
1 mph
23:00
54°
11%
2 mph

Today · Sat 8/15

High 86°
7% / –

Sunny. Winds W at 8 mph.

Overnight · Sat 8/15

Low 58°
31% / –

Mostly cloudy. Winds NW at 2 mph.

Tomorrow · Sun 8/16

92° | 51°
2% / –

Sunny. Winds W at 7 mph.

7-day trend

Alum Rock · temperature + precipitation

10-day forecast

Updated 12:50 AM

Details & indices

Wind
2 mph NW
Gusts 5 mph
Humidity
92%
Dew point 58°
Pressure
30.06 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 26 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Alum Rock

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Low

Sun & moon

Sunrise6:23 AM
Sunset7:59 PM
Length of day13h 36m
Moonrise9:41 AM
Moonset9:33 PM
Moon phase🌒 Waxing Crescent · 8%
Next full moonAug 27 Sturgeon Moon
Latitude37.3661°N
Longitude-121.8272°E

Water temps nearby

View all →
Santa Cruz Main Beach (30 mi)62°
Stinson Beach (58 mi)60°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Sunny
68° 🌤️
San Diego
—
— 🌤️
San Jose
—
—
San Francisco
Mostly cloudy
58° 🌤️
Fresno
—
— 🌤️
Sacramento
—
—
Data sources · Saturday, August 15
Where the Alum Rock forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 37.3661°N, -121.8272°.
NBM + global weather models
Updated: 12:50 AM
Weather in Alum Rock
Over the next 10 days Alum Rock tops out around 99° (Wednesday) and dips to 51° on the coolest night (Sunday). Essentially no rain is in the forecast — expect a dry stretch. No active NWS alerts at the moment — quiet on the hazards front. Right now Alum Rock is running about 3° warmer than Santa Rosa. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Alum Rock, CA · Elev 151 ft · 37.37°N, 121.83°W · California · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 12:50 AM