Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Alta, California

Fog and sun in daily rhythm. Day 58 of spring. Read this microseason across nine climate regions →

Alta, CA
Saturday, May 16 at 11:57 PM
64
°
Clear
Feels like
59°
Humidity
39%
Wind
8 mph
Sunrise
5:48 AM
Sunset
8:10 PM
Alta, CA
Hour by hour · 24h
72°
4p
72°
5p
71°
6p
67°
7p
64°
8p
62°
9p
61°
10p
59°
11p
58°
12a
57°
1a
56°
2a
54°
3a
56°
4a
56°
5a
57°
6a
60°
7a
64°
8a
66°
9a
68°
10a
70°
11a
70°
12p
72°
1p
72°
2p
72°
3p
L 54°H 72°
Alta, CA
7-day forecast
  1. Today
    May 16
    Overcast
    65°51°
  2. Sunday
    May 17
    Mostly Clear
    59°45°
  3. Monday
    May 18
    Clear
    72°40°
  4. Tuesday
    May 19
    Mostly Clear
    74°47°
  5. Wednesday
    May 20
    Overcast
    76°51°
  6. Thursday
    May 21
    Overcast
    79°54°
  7. Friday
    May 22
    Clear
    78°54°
Alta, CA
Anemometer · 24h winds · from true
NESW
From · True
WNW
297° · veering 99°
Direction
WNW
297°
Sustained
8
mph
Gust
9
mph
Peak 24h
13
avg 6
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 13 @ 2:00p
−24h−18h−12h−6hnow
Light breeze veering 99° from the wnw.
Alta, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
885.9
+1.7 mb in 3h · falling · 26.16 inHg
Now
885.9
mb
3h
+1.7
mb
12h
-1.3
mb
24h
+0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 882887
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Alta, CA
Air quality
46
AQI
Good
PM 2.5
3.5 μg/m³
PM 10
6.0 μg/m³
NO₂
0.4 μg/m³
Ozone
106.0 μg/m³
UV Index
3.8 Moderate
Alta, CA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:20 PM
Sunrise
5:48 AM
Daylight
14h 22m
Sunset
8:10 PM
Civil dusk
3:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Alta, CA
The moon
New Moon
0% illuminated
Moonrise
12:15 PM
Moonset
2:29 AM
In sign
♉︎ Taurus
Alta, CA
Microseason · 28 of 72
May 16–20

Fog and sun in daily rhythm

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Alta at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 11 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 16, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Alta

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.