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

Hamilton Branch, California Weather

Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →

Hamilton Branch weather forecast — hour by hour, 7-day outlook, NOAA radar

Hamilton Branch, CA
Thursday, June 4 at 2:36 PM
56
°
Clear
Feels like
50°
Humidity
55%
Wind
10 mph
Sunrise
5:35 AM
Sunset
8:30 PM
Hamilton Branch, CA
Hour by hour · 24h
24-Hour ForecastHamilton Branch, CA: 24-hour forecast. Temperatures range from 55 to 79 degrees Fahrenheit.
L 55°H 79°
Hamilton Branch, CA
7-day forecast
  1. Today
    Jun 4
    Clear
    79°51°
  2. Friday
    Jun 5
    Overcast
    78°55°-1°
  3. Saturday
    Jun 6
    Overcast
    73°47°-5°
  4. Sunday
    Jun 7
    Overcast
    73°39°
  5. Monday
    Jun 8
    Drizzle
    18%
    0.15″
    47°42°-26°
  6. Tuesday
    Jun 9
    Light Drizzle
    16%
    0.07″
    55°43°+8°
  7. Wednesday
    Jun 10
    Light Drizzle
    13%
    66°39°+11°
Hamilton Branch, CA
Anemometer · 24h winds · from true
NESW
From · True
ENE
071° · veering 166°
Direction
ENE
071°
Sustained
10
mph
Gust
14
mph
Peak 24h
17
avg 7
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 7 · pk 17 @ 4:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 127SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 166° from the ene.
Hamilton Branch, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
855.0
+1.3 mb in 3h · rising · 25.25 inHg
Now
855.0
mb
3h
+1.3
mb
12h
+4.7
mb
24h
-2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 853862
845850855860865870-21h-18h-15h-12h-9h-6h-3h-24hNOW862.2853.1859.4
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Hamilton Branch, CA
Air quality
28
AQI
Good
-10 in 6hPeak ~39 @ 9 PM

AQI 28 (Good), driven by Ozone. AQI down 10 over the last 6 hours (steady decline since this morning).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.

PM 2.5Good
3.6μg/m³
PM 10Good
5μg/m³
NO₂Good
5μg/m³
OzoneDRIVERGood
59μg/m³
UV IndexLow
0.5
Hamilton Branch, CA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
64.8mi
UNLIMITED
160 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
14:36 UTC ·Hamilton Branch, CA · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
14:36 UTC ·Hamilton Branch, CA · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Hamilton Branch, CA
Satellite · infrared · animated
Hamilton Branch, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Hamilton Branch, CA
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
12:04 PM
Sunrise
5:35 AM
Daylight
14h 55m
Sunset
8:30 PM
Civil dusk
4:03 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Hamilton Branch, CA
The moon
Waning Gibbous
84% illuminated
Moonrise
6:37 AM
Moonset
4:11 PM
In sign
♒︎ Aquarius
Hamilton Branch, CA
Microseason
Jun 1–5

Coastal fog thickens at dawn

plant
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Hamilton Branch at a glance

  • Today vs. normal: 19°F below the seasonal normal for this latitude
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 4, 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 Hamilton Branch

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.