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

Weather in Thermalito, California

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

Thermalito, CA
Sunday, May 17 at 1:04 AM
79
°
Clear
Feels like
67°
Humidity
17%
Wind
18 mph
Sunrise
5:51 AM
Sunset
8:14 PM
Thermalito, CA
Hour by hour · 24h
88°
6p
85°
7p
80°
8p
77°
9p
72°
10p
71°
11p
69°
12a
65°
1a
62°
2a
61°
3a
59°
4a
58°
5a
58°
6a
60°
7a
66°
8a
70°
9a
73°
10a
77°
11a
81°
12p
84°
1p
86°
2p
88°
3p
88°
4p
88°
5p
L 58°H 88°
Thermalito, CA
7-day forecast
  1. Today
    May 16
    Overcast
    80°61°
  2. Sunday
    May 17
    Overcast
    75°56°
  3. Monday
    May 18
    Clear
    85°53°
  4. Tuesday
    May 19
    Partly Cloudy
    91°55°
  5. Wednesday
    May 20
    Overcast
    90°60°
  6. Thursday
    May 21
    Overcast
    95°61°
  7. Friday
    May 22
    Clear
    93°61°
Thermalito, CA
Anemometer · 24h winds · from true
NESW
From · True
NNW
334° · steady
Direction
NNW
334°
Sustained
18
mph
Gust
26
mph
Peak 24h
35
avg 18
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 18 · pk 35 @ 11:00p
−24h−18h−12h−6hnow
Sustained 18 mph with gusts pulsing to 26 — flags snap, branches bend.
Thermalito, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1004.3
-0.8 mb in 3h · falling · 29.66 inHg
Now
1004.3
mb
3h
-0.8
mb
12h
-3.0
mb
24h
-1.4
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10041008
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Thermalito, CA
Air quality
46
AQI
Good
PM 2.5
1.3 μg/m³
PM 10
1.5 μg/m³
NO₂
0.7 μg/m³
Ozone
107.0 μg/m³
UV Index
0.9 Low
Thermalito, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:22 PM
Sunrise
5:51 AM
Daylight
14h 23m
Sunset
8:14 PM
Civil dusk
3:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Thermalito, CA
The moon
New Moon
0% illuminated
Moonrise
1:01 PM
Moonset
3:51 AM
In sign
♉︎ Taurus
Thermalito, 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 →

Thermalito at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: April 13 (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 Thermalito

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.