Weather in South Dennis, Massachusetts
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
South Dennis, MA
Sunday, May 17 at 1:47 AM
55
°
Clear
Feels like
50°
Humidity
74%
Wind
12 mph
Sunrise
5:19 AM
Sunset
7:54 PM
South Dennis, MA
Hour by hour · 24h
55°
47%
9p
55°
30%
10p
54°
22%
11p
53°
11%
12a
51°
1a
50°
2a
50°
3a
50°
4a
51°
5a
50°
6a
50°
7a
50°
8a
51°
9a
53°
10a
52°
11a
53°
12p
54°
1p
54°
2p
54°
3p
53°
4p
52°
5p
52°
6p
51°
7p
51°
8p
South Dennis, MA
7-day forecast
- TodayMay 16Overcast—64°44°
- SundayMay 17Light Drizzle22%76°55°
- MondayMay 18Overcast—64°55°
- TuesdayMay 19Partly Cloudy—66°56°
- WednesdayMay 20Light Drizzle20%66°59°
- ThursdayMay 21Overcast20%63°51°
- FridayMay 22Overcast—59°49°
South Dennis, MA
Next 24 hours · Cool now
South Dennis, MA
Anemometer · 24h winds · from true
From · True
SSW
207° · steady
Direction
SSW
207°
Sustained
12
mph
Gust
22
mph
Peak 24h
28
avg 10
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
−24h−18h−12h−6hnow
South Dennis, MA
Air quality
55
AQI
Moderate
- PM 2.5
- 15.8 μg/m³
- PM 10
- 22.9 μg/m³
- NO₂
- 1.7 μg/m³
- Ozone
- 116.0 μg/m³
- UV Index
- 0.0 Low
South Dennis, MA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
8:49 AM
Sunrise
5:19 AM
Daylight
14h 35m
Sunset
7:54 PM
Civil dusk
12:27 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
South Dennis, MA
The moon
New Moon
0% illuminated
- Moonrise
- 9:20 AM
- Moonset
- 12:21 AM
- In sign
- ♉︎ Taurus
South Dennis, MA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
South Dennis at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 26 (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.