Areal Flood Warning — Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA 6:30 PM Flood Watch 1:00 AM Flood Warning — Bristol County, MA, Plymouth County, MA 10:00 PM

Plymouth County, Massachusetts, United States

Last updated: 5:22 PM CDT  ·  Refresh
17°C
Feels like 15°
Fog
▲ 18°  /  ▼ 16°
Wind
12 mph NE
Humidity
98%
Dew Point
16°
Pressure
29.68 inHg
Visibility
0 mi
UV Index
0.4
Cloud Cover
94%
Sunrise
6:35 AM
Sunset
6:31 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Plymouth County is currently fog at 17°C. Precipitation is likely — peak probability 81% around 5 AM. Sunrise: 6:35AM · Sunset: 6:31PM.

Alerts

Areal Flood Warning
Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
Expires 6:30 PM
Flood Watch
Expires 1:00 AM
Flood Warning
Bristol County, MA, Plymouth County, MA
Expires 10:00 PM
40 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
71%
7 PM
17°
62%
8 PM
17°
72%
9 PM
17°
77%
10 PM
17°
76%
11 PM
17°
68%
12 AM
17°
67%
1 AM
16°
67%
2 AM
16°
67%
3 AM
16°
67%
4 AM
16°
68%
5 AM
16°
81%
6 AM
16°
81%
7 AM
16°
81%
8 AM
16°
81%
9 AM
16°
80%
10 AM
16°
80%
11 AM
16°
80%
12 PM
16°
80%
1 PM
17°
72%
2 PM
18°
69%
3 PM
17°
70%
4 PM
17°
66%
5 PM
17°
52%
7-Day Forecast
Tonight
18° 16°
Fog with a 77% chance of rain.
Mon
18° 14°
Rain, 81% chance.
Tue
18° 12°
Overcast with a 47% chance of rain.
Wed
21° 14°
Mostly Cloudy.
Thu
26° 14°
Clear.
Fri
28° 16°
Clear.
Sat
21° 11°
Clear with a 29% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 17° Fog 71% 12 mph NE 98%
7 PM 17° Fog 62% 13 mph ENE 98%
8 PM 17° Fog 72% 12 mph ENE 98%
9 PM 17° Fog 77% 12 mph NE 98%
10 PM 17° Fog 76% 13 mph NE 98%
11 PM 17° Fog 68% 13 mph NE 98%
12 AM 17° Fog 67% 13 mph NE 98%
1 AM 16° Fog 67% 13 mph NE 99%
2 AM 16° Fog 67% 12 mph NE 99%
3 AM 16° Fog 67% 12 mph NE 99%
4 AM 16° Heavy Rain 68% 12 mph NE 99%
5 AM 16° Rain 81% 11 mph NE 98%
6 AM 16° Rain 81% 11 mph NE 98%
7 AM 16° Rain 81% 11 mph NE 98%
8 AM 16° Rain 81% 11 mph NE 98%
9 AM 16° Rain 80% 10 mph NE 98%
10 AM 16° Rain 80% 9 mph NE 97%
11 AM 16° Rain 80% 8 mph NE 97%
12 PM 16° Overcast 80% 8 mph NE 96%
1 PM 17° Overcast 72% 7 mph NE 96%
2 PM 18° Overcast 69% 7 mph NE 95%
3 PM 17° Overcast 70% 7 mph NE 96%
4 PM 17° Overcast 66% 7 mph NE 96%
5 PM 17° Overcast 52% 7 mph NNE 96%
15-Day Forecast
Today
9/27
Fog
77%
16°
18°
Mon
9/28
Rain
81%
14°
18°
Tue
9/29
Overcast
47%
12°
18°
Wed
9/30
Mostly Cloudy
15%
14°
21°
Thu
10/1
Clear
3%
14°
26°
Fri
10/2
Clear
17%
16°
28°
Sat
10/3
Clear
29%
11°
21°
Sun
10/4
Clear
60%
9°
18°
Mon
10/5
Rain
90%
9°
18°
Tue
10/6
Drizzle
60%
12°
19°
Wed
10/7
Drizzle
60%
11°
16°
Thu
10/8
Clear
60%
11°
17°
Fri
10/9
Drizzle
60%
11°
17°
Sat
10/10
Drizzle
60%
10°
17°
Sun
10/11
Clear
60%
10°
17°
40
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
40 AQI 7.3 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 38 40
Tue 34 Good 33 34
Wed 27 Good 19 27
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Sep 27, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE14 J/kg
MUCAPE106 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.8
Kinematics
0–6 km Shear29 kt
0–1 km Shear22 kt
Eff. Shear12 kt
0–1 km SRH186
0–3 km SRH187
Eff. SRH25
Storm Motion143° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.5
Thermo & Levels
PWAT1.32 in
0–3 km LR4.2 °C/km
700–500 LR5.7 °C/km
Total Totals45.1
LCL999 hPa
LFC1005 hPa
EL1005 hPa
Freezing Lvl12,490 ft