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

Weather in Holtville, California

Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →

Holtville, CA
Sunday, May 17 at 12:00 AM
94
°
Clear
Feels like
85°
Humidity
16%
Wind
17 mph
Sunrise
5:41 AM
Sunset
7:34 PM
Holtville, CA
Hour by hour · 24h
99°
4p
99°
5p
96°
6p
92°
7p
87°
8p
84°
9p
82°
10p
79°
11p
77°
12a
75°
1a
74°
2a
71°
3a
71°
4a
69°
5a
67°
6a
69°
7a
75°
8a
81°
9a
85°
10a
89°
11a
92°
12p
96°
1p
99°
2p
99°
3p
L 67°H 99°
Holtville, CA
7-day forecast
  1. Today
    May 16
    Clear
    95°67°
  2. Sunday
    May 17
    Overcast
    93°65°
  3. Monday
    May 18
    Overcast
    90°62°
  4. Tuesday
    May 19
    Overcast
    93°66°
  5. Wednesday
    May 20
    Overcast
    98°69°
  6. Thursday
    May 21
    Overcast
    99°68°
  7. Friday
    May 22
    Clear
    100°68°
Holtville, CA
Anemometer · 24h winds · from true
NESW
From · True
W
275° · backing 26°
Direction
W
275°
Sustained
17
mph
Gust
24
mph
Peak 24h
38
avg 13
Beaufort · 4 · MOD 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 13 · pk 38 @ 7:00p
−24h−18h−12h−6hnow
A fresh breeze drives the w-bound air across the harbor.
Holtville, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1002.5
-1.1 mb in 3h · steady · 29.60 inHg
Now
1002.5
mb
3h
-1.1
mb
12h
-3.5
mb
24h
-4.4
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10031007
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Holtville, CA
Air quality
59
AQI
Moderate
PM 2.5
6.8 μg/m³
PM 10
26.8 μg/m³
NO₂
0.9 μg/m³
Ozone
136.0 μg/m³
UV Index
3.6 Moderate
Holtville, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:16 PM
Sunrise
5:41 AM
Daylight
13h 53m
Sunset
7:34 PM
Civil dusk
3:02 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Holtville, CA
The moon
New Moon
0% illuminated
Moonrise
12:58 PM
Moonset
3:03 AM
In sign
♉︎ Taurus
Holtville, CA
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Holtville at a glance

  • Today vs. normal: 15°F above the seasonal normal for this latitude
  • Last frost: March 4 (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

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Holtville

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.