High Surf Advisory — Southern Bristol, MA, Southern Plymouth, MA, Barnstable, MA, Dukes, MA, Nantucket, MA, Washington, RI, Newport, RI, Block Island, RI 7:00 PM

Hull, Massachusetts

Last updated: 11:00 AM CDT  ·  Refresh
24°C
Feels like 22°
Mostly Cloudy
▲ 26°  /  ▼ 17°
Wind
13 mph SSE
Humidity
61%
Dew Point
16°
Pressure
29.90 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
69%
Sunrise
5:25 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hull is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 917 J/kg) — isolated convective development possible. Sunrise: 5:25AM · Sunset: 8:13PM.

70 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
24%
1 PM
26°
48%
2 PM
26°
41%
3 PM
25°
54%
4 PM
24°
73%
5 PM
23°
86%
6 PM
23°
85%
7 PM
22°
90%
8 PM
23°
90%
9 PM
22°
90%
10 PM
22°
85%
11 PM
22°
68%
12 AM
22°
68%
1 AM
21°
68%
2 AM
21°
61%
3 AM
21°
64%
4 AM
21°
56%
5 AM
21°
78%
6 AM
21°
73%
7 AM
21°
65%
8 AM
21°
57%
9 AM
23°
63%
10 AM
23°
67%
11 AM
24°
65%
7-Day Forecast
Today
26° 17°
Heavy Rain, 90% chance.
Wed
27° 19°
Mostly Cloudy with a 73% chance of rain.
Thu
23° 17°
Partly Cloudy with a 40% chance of rain.
Fri
22° 14°
Mostly Cloudy.
Sat
23° 15°
Clear.
Sun
24° 14°
Drizzle, 43% chance.
Mon
30° 16°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 24% 13 mph SSE 61%
1 PM 26° Overcast 48% 14 mph SSE 56%
2 PM 26° Overcast 41% 14 mph SSE 55%
3 PM 25° Overcast 54% 14 mph SSE 64%
4 PM 24° Heavy Rain 73% 14 mph SSE 74%
5 PM 23° Heavy Rain 86% 14 mph SSE 85%
6 PM 23° Heavy Rain 85% 14 mph SE 90%
7 PM 22° Heavy Rain 90% 12 mph SSE 94%
8 PM 23° Thunderstorm 90% 12 mph SSE 96%
9 PM 22° Heavy Rain 90% 13 mph SSE 96%
10 PM 22° Heavy Rain 85% 12 mph SSE 95%
11 PM 22° Heavy Rain 68% 14 mph S 94%
12 AM 22° Heavy Rain 68% 14 mph S 94%
1 AM 21° Overcast 68% 14 mph S 93%
2 AM 21° Overcast 61% 14 mph S 93%
3 AM 21° Overcast 64% 14 mph SSW 92%
4 AM 21° Overcast 56% 13 mph SSW 92%
5 AM 21° Overcast 78% 13 mph SSW 92%
6 AM 21° Overcast 73% 12 mph SSW 91%
7 AM 21° Overcast 65% 12 mph SSW 91%
8 AM 21° Overcast 57% 12 mph SSW 90%
9 AM 23° Overcast 63% 13 mph SSW 86%
10 AM 23° Overcast 67% 13 mph SSW 82%
11 AM 24° Rain 65% 14 mph SSW 78%
15-Day Forecast
Today
7/21
Heavy Rain
90%
17°
26°
Wed
7/22
Mostly Cloudy
73%
19°
27°
Thu
7/23
Partly Cloudy
40%
17°
23°
Fri
7/24
Mostly Cloudy
17%
14°
22°
Sat
7/25
Clear
16%
15°
23°
Sun
7/26
Drizzle
43%
14°
24°
Mon
7/27
Drizzle
53%
16°
30°
Tue
7/28
Rain
69%
18°
27°
Wed
7/29
Clear
68%
19°
30°
Thu
7/30
Clear
21%
18°
28°
Fri
7/31
Drizzle
60%
17°
27°
Sat
8/1
Drizzle
60%
18°
26°
Sun
8/2
Drizzle
60%
18°
27°
Mon
8/3
Drizzle
60%
19°
27°
Tue
8/4
Drizzle
60%
19°
28°
70
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
70 AQI 19.1 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 70 Moderate 43 70
Thu 45 Good 45 39
Fri 40 Good 40 33
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 Tue Jul 21, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE9 J/kg
MLCAPE4 J/kg
MUCAPE9 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.9
Kinematics
0–6 km Shear37 kt
0–1 km Shear10 kt
Eff. Shear
0–1 km SRH-13
0–3 km SRH-62
Eff. SRH
Storm Motion184° @ 33 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index-11.0
Thermo & Levels
PWAT0.92 in
0–3 km LR5.3 °C/km
700–500 LR6.3 °C/km
Total Totals38.6
LCL889 hPa
LFC1012 hPa
EL933 hPa
Freezing Lvl14,895 ft