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

Weather in Walnut Grove, California

Fog and sun in daily rhythm. Day 59 of spring. Read this microseason across nine climate regions →

Walnut Grove, CA
Sunday, May 17 at 12:49 AM
80
°
Clear
Feels like
70°
Humidity
17%
Wind
13 mph
Sunrise
5:53 AM
Sunset
8:11 PM
Walnut Grove, CA
Hour by hour · 24h
86°
5p
82°
6p
78°
7p
72°
8p
68°
9p
65°
10p
62°
11p
61°
12a
59°
1a
58°
2a
57°
3a
55°
4a
54°
5a
53°
6a
57°
7a
62°
8a
66°
9a
71°
10a
76°
11a
78°
12p
82°
1p
84°
2p
86°
3p
87°
4p
L 53°H 87°
Walnut Grove, CA
7-day forecast
  1. Today
    May 16
    Overcast
    82°56°
  2. Sunday
    May 17
    Overcast
    76°54°
  3. Monday
    May 18
    Clear
    86°58°
  4. Tuesday
    May 19
    Clear
    91°54°
  5. Wednesday
    May 20
    Overcast
    94°57°
  6. Thursday
    May 21
    Overcast
    96°57°
  7. Friday
    May 22
    Overcast
    89°55°
Walnut Grove, CA
Anemometer · 24h winds · from true
NESW
From · True
N
350° · veering 63°
Direction
N
350°
Sustained
13
mph
Gust
19
mph
Peak 24h
22
avg 10
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 10 · pk 22 @ 11:00a
−24h−18h−12h−6hnow
A fresh breeze drives the n-bound air across the harbor.
Walnut Grove, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.3
+1.2 mb in 3h · steady · 29.89 inHg
Now
1012.3
mb
3h
+1.2
mb
12h
-2.2
mb
24h
-0.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111015
−24h−18h−12h−6hnow
Pressure climbing through the change line — drier air pushing in.
Walnut Grove, CA
Air quality
47
AQI
Good
PM 2.5
1.9 μg/m³
PM 10
2.9 μg/m³
NO₂
0.9 μg/m³
Ozone
114.0 μg/m³
UV Index
2.1 Low
Walnut Grove, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:25 PM
Sunrise
5:53 AM
Daylight
14h 18m
Sunset
8:11 PM
Civil dusk
3:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Walnut Grove, CA
The moon
New Moon
0% illuminated
Moonrise
1:06 PM
Moonset
3:46 AM
In sign
♉︎ Taurus
Walnut Grove, CA
Microseason · 28 of 72
May 16–20

Fog and sun in daily rhythm

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Walnut Grove at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: April 5 (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 17, 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 Walnut Grove

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.