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

Weather in Grimes, California

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

Grimes, CA
Saturday, May 16 at 11:58 PM
81
°
Clear
Feels like
71°
Humidity
17%
Wind
17 mph
Sunrise
5:53 AM
Sunset
8:14 PM
Grimes, CA
Hour by hour · 24h
90°
4p
91°
5p
91°
6p
88°
7p
83°
8p
77°
9p
73°
10p
70°
11p
68°
12a
65°
1a
61°
2a
60°
3a
59°
4a
57°
5a
55°
6a
59°
7a
66°
8a
71°
9a
75°
10a
78°
11a
82°
12p
85°
1p
87°
2p
89°
3p
L 55°H 91°
Grimes, CA
7-day forecast
  1. Today
    May 16
    Partly Cloudy
    81°60°
  2. Sunday
    May 17
    Overcast
    76°58°
  3. Monday
    May 18
    Clear
    86°55°
  4. Tuesday
    May 19
    Clear
    92°54°
  5. Wednesday
    May 20
    Overcast
    92°60°
  6. Thursday
    May 21
    Overcast
    99°62°
  7. Friday
    May 22
    Mostly Clear
    97°60°
Grimes, CA
Anemometer · 24h winds · from true
NESW
From · True
N
359° · veering 11°
Direction
N
359°
Sustained
17
mph
Gust
22
mph
Peak 24h
34
avg 14
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 14 · pk 34 @ 9:00a
−24h−18h−12h−6hnow
A fresh breeze drives the n-bound air across the harbor.
Grimes, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1010.4
+0.7 mb in 3h · steady · 29.84 inHg
Now
1010.4
mb
3h
+0.7
mb
12h
-2.5
mb
24h
-0.6
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101013
−24h−18h−12h−6hnow
Pressure climbing through the change line — drier air pushing in.
Grimes, CA
Air quality
47
AQI
Good
PM 2.5
1.8 μg/m³
PM 10
2.3 μg/m³
NO₂
0.5 μg/m³
Ozone
112.0 μg/m³
UV Index
3.9 Moderate
Grimes, CA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:24 PM
Sunrise
5:53 AM
Daylight
14h 21m
Sunset
8:14 PM
Civil dusk
3:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grimes, CA
The moon
New Moon
0% illuminated
Moonrise
12:20 PM
Moonset
2:33 AM
In sign
♉︎ Taurus
Grimes, 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 →

Grimes at a glance

  • Today vs. normal: 8°F above the seasonal normal for this latitude
  • Last frost: April 10 (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 Grimes

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.