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

Weather in Hamilton, Washington

Shoots and Sprouts Rise in Ranks. Day 59 of spring. Read this microseason across nine climate regions →

Hamilton, WA
Sunday, May 17 at 12:35 AM
55
°
Mostly Clear
Feels like
50°
Humidity
70%
Wind
8 mph
Sunrise
5:25 AM
Sunset
8:43 PM
Hamilton, WA
Hour by hour · 24h
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
51°
89%
4p
L 48°H 57°
Hamilton, WA
7-day forecast
  1. Today
    May 16
    Light Rain
    70%
    56°42°
  2. Sunday
    May 17
    Overcast
    20%
    61°47°
  3. Monday
    May 18
    Overcast
    63°47°
  4. Tuesday
    May 19
    Drizzle
    14%
    59°45°
  5. Wednesday
    May 20
    Overcast
    69°45°
  6. Thursday
    May 21
    Mostly Clear
    10%
    74°50°
  7. Friday
    May 22
    Overcast
    71°49°
Hamilton, WA
Anemometer · 24h winds · from true
NESW
From · True
WSW
253° · veering 175°
Direction
WSW
253°
Sustained
8
mph
Gust
12
mph
Peak 24h
13
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 13 @ 6:00p
−24h−18h−12h−6hnow
Light breeze veering 175° from the wsw.
Hamilton, WA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.7
-0.1 mb in 3h · rising · 30.02 inHg
Now
1016.7
mb
3h
-0.1
mb
12h
-0.1
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
37
AQI
Good
PM 2.5
1.6 μg/m³
PM 10
2.2 μg/m³
NO₂
1.9 μg/m³
Ozone
80.0 μg/m³
UV Index
0.6 Low
Hamilton, WA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
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
12:22 PM
Moonset
4:32 AM
In sign
♉︎ Taurus
Hamilton, WA
Microseason · 28 of 72
May 16–20

Shoots and Sprouts Rise in Ranks

plant
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 17, 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.