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WeatherLive › California › La Mesa

La Mesa, CA Weather (91941)

ZIP codes: 91941 · 91942 · 91943 · 91944
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherLa Mesa · 1:21 PM PDT
94° | 67°
90°F
Feels like 94°
Partly cloudy
WindW 9 mph · Gusts 15 mph
Precip11% · –
Humidity48% · Dew point 68°
UV index10 Very high
Air Quality64 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:27 PM · 13h 12m

Weather map — La Mesa

Full radar →
Now
90°
5%
9 mph
14:00
90°
11%
9 mph
15:00
89°
3%
9 mph
16:00
86°
13%
8 mph
17:00
83°
8%
7 mph
18:00
81°
14%
9 mph
19:00
78°
16%
6 mph
20:00
73°
24%
5 mph
21:00
72°
23%
4 mph
22:00
71°
14%
4 mph
23:00
70°
15%
3 mph
00:00
69°
16%
4 mph
01:00
68°
16%
3 mph
02:00
67°
21%
3 mph
03:00
74°
4%
3 mph
04:00
74°
14%
3 mph
05:00
74°
4%
3 mph
06:00
74°
4%
2 mph
07:00
74°
4%
2 mph
08:00
76°
14%
2 mph
09:00
79°
5%
4 mph
10:00
82°
3%
5 mph
11:00
85°
6%
6 mph
12:00
88°
4%
8 mph

Today · Thu 8/20

High 94°
11% / –

Sunny. Winds SW at 9 mph.

Tonight · Thu 8/20

Low 67°
23% / –

Mostly cloudy. Winds W at 4 mph.

Tomorrow · Fri 8/21

89° | 67°
5% / –

Sunny. Winds SW at 10 mph.

7-day trend

La Mesa · temperature + precipitation

10-day forecast

Updated 1:21 PM

Details & indices

Wind
9 mph W
Gusts 15 mph
Humidity
48%
Dew point 68°
Pressure
29.91 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Moderate
AQI 64 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — La Mesa

🌿 Conditions right now

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

Sun & moon

Sunrise6:15 AM
Sunset7:27 PM
Length of day13h 12m
Moonrise2:20 PM
Moonset—
Moon phase🌓 First Quarter · 57%
Next full moonAug 27 Sturgeon Moon
Latitude32.7678°N
Longitude-117.0231°E

Water temps nearby

View all →
Coronado Beach (11 mi)71°
Mission Beach, San Diego (13 mi)73°
La Jolla Cove (16 mi)74°
🌤️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
Mostly cloudy
91°
San Diego
Mostly cloudy
81°
San Jose
Mostly cloudy
68° 🌤️
San Francisco
—
— 🌤️
Fresno
—
— 🌤️
Sacramento
—
—
Data sources · Thursday, August 20
Where the La Mesa 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: 32.7678°N, -117.0231°.
NBM + global weather models
Updated: 1:21 PM
ZIP codes in La Mesa
📮
91941
La Mesa
 📮
91942
La Mesa
 📮
91943
La Mesa
 📮
91944
La Mesa
Weather in La Mesa
Over the next 10 days La Mesa tops out around 94° (Thursday) and dips to 67° on the coolest night (Thursday). The gauge should stay near zero — no meaningful precipitation is expected. Heads up: 2 NWS alerts are active right now, including a Special Weather Statement — details on the alerts tab. Right now La Mesa is running about 23° warmer than Santa Ana. Longer view: Mediterranean pattern — nearly all rain lands November through March.
La Mesa, CA · Elev 528 ft · 32.77°N, 117.02°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: 1:21 PM