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

Weather in Siasconset, Massachusetts

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Siasconset, MA
Sunday, May 17 at 2:36 AM
55
°
Clear
Feels like
48°
Humidity
80%
Wind
15 mph
Sunrise
5:20 AM
Sunset
7:52 PM
Siasconset, MA
Hour by hour · 24h
54°
24%
10p
54°
19%
11p
54°
12a
53°
1a
52°
2a
53°
3a
52°
4a
52°
5a
53°
6a
52°
7a
53°
8a
53°
9a
52°
10a
54°
11a
56°
12p
55°
1p
56°
2p
56°
3p
53°
4p
53°
5p
52°
6p
51°
7p
51°
8p
51°
9p
L 51°H 56°
Siasconset, MA
7-day forecast
  1. Today
    May 16
    Foggy
    —
    62°47°
  2. Sunday
    May 17
    Light Drizzle
    20%
    76°56°
  3. Monday
    May 18
    Foggy
    —
    60°53°
  4. Tuesday
    May 19
    Overcast
    —
    58°56°
  5. Wednesday
    May 20
    Light Showers
    32%
    59°58°
  6. Thursday
    May 21
    Heavy Drizzle
    32%
    59°51°
  7. Friday
    May 22
    Overcast
    18%
    55°53°
Siasconset, MA
Next 24 hours · Cool now
48°54°59°12a6a12p6pnow 54°high 56°low 51°PRECIP %
Siasconset, MA
Anemometer · 24h winds · from true
NESW
From · True
SSW
208° · backing 34°
Direction
SSW
208°
Sustained
15
mph
Gust
24
mph
Peak 24h
28
avg 12
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 12 · pk 28 @ 9:00p
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 24 — flags snap, branches bend.
Siasconset, MA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.3
0.0 mb in 3h · falling · 29.95 inHg
Now
1014.3
mb
3h
0.0
mb
12h
-1.8
mb
24h
-0.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1013–1018
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Siasconset, MA
Air quality
59
AQI
Moderate
PM 2.5
20.8 μg/m³
PM 10
32.2 μg/m³
NO₂
0.5 μg/m³
Ozone
116.0 μg/m³
UV Index
0.0 Low
Siasconset, MA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
8:50 AM
Sunrise
5:20 AM
Daylight
14h 32m
Sunset
7:52 PM
Civil dusk
12:24 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Siasconset, MA
The moon
New Moon
0% illuminated
Moonrise
9:22 AM
Moonset
12:19 AM
In sign
♊︎ Gemini
Siasconset, MA
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Siasconset at a glance

  • Today vs. normal: 15°F below the seasonal normal for this latitude
  • Last frost: April 24 (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.

All cities in Massachusetts →

ZIP codes in Siasconset

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.