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

Weather in Hamilton, Washington

Shoots and Sprouts Rise in Ranks. Day 58 of spring. Read this microseason across nine climate regions →

Hamilton, WA
Saturday, May 16 at 11:37 PM
55
°
Partly Cloudy
Feels like
51°
Humidity
72%
Wind
8 mph
Sunrise
5:25 AM
Sunset
8:43 PM
Hamilton, WA
Hour by hour · 24h
59°
32%
4p
57°
26%
5p
54°
36%
6p
54°
58%
7p
53°
59%
8p
52°
68%
9p
52°
61%
10p
52°
54%
11p
50°
59%
12a
50°
71%
1a
48°
42%
2a
49°
15%
3a
48°
13%
4a
48°
15%
5a
48°
15%
6a
49°
19%
7a
50°
33%
8a
49°
43%
9a
49°
73%
10a
49°
85%
11a
49°
69%
12p
50°
59%
1p
50°
68%
2p
50°
77%
3p
L 48°H 59°
Hamilton, WA
7-day forecast
  1. Today
    May 16
    Light Rain
    70%
    55°42°
  2. Sunday
    May 17
    Overcast
    29%
    61°46°
  3. Monday
    May 18
    Overcast
    64°47°
  4. Tuesday
    May 19
    Drizzle
    14%
    60°47°
  5. Wednesday
    May 20
    Overcast
    70°45°
  6. Thursday
    May 21
    Mostly Clear
    10%
    75°50°
  7. Friday
    May 22
    Overcast
    66°52°
Hamilton, WA
Anemometer · 24h winds · from true
NESW
From · True
WSW
256° · backing 158°
Direction
WSW
256°
Sustained
8
mph
Gust
11
mph
Peak 24h
19
avg 6
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 6 · pk 19 @ 9:00p
−24h−18h−12h−6hnow
Light breeze backing 158° from the wsw.
Hamilton, WA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.9
+0.3 mb in 3h · rising · 30.03 inHg
Now
1016.9
mb
3h
+0.3
mb
12h
+0.5
mb
24h
+3.0
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10141018
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Hamilton, WA
Air quality
36
AQI
Good
PM 2.5
1.2 μg/m³
PM 10
1.6 μg/m³
NO₂
1.8 μg/m³
Ozone
81.0 μg/m³
UV Index
0.7 Low
Hamilton, WA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
11:49 AM
Sunrise
5:25 AM
Daylight
15h 18m
Sunset
8:43 PM
Civil dusk
4:21 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hamilton, WA
The moon
New Moon
0% illuminated
Moonrise
11:45 AM
Moonset
3:07 AM
In sign
♉︎ Taurus
Hamilton, WA
Microseason · 28 of 72
May 16–20

Shoots and Sprouts Rise in Ranks

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Hamilton at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: June 6 (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

Cool-season window is open

As of May 16, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Hamilton

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.