Bourne, Massachusetts

Last updated: 4:30 PM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Clear
▲ 29°  /  ▼ 22°
Wind
13 mph SSW
Humidity
83%
Dew Point
24°
Pressure
29.99 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
14%
Sunrise
5:41 AM
Sunset
7:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bourne is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2218 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 7:54PM.

Alerts

No active alerts for this location.
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
25°
3%
10 PM
25°
3%
11 PM
24°
3%
12 AM
24°
7%
1 AM
24°
6%
2 AM
24°
6%
3 AM
24°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
25°
3%
9 AM
26°
5%
10 AM
27°
5%
11 AM
28°
10%
12 PM
29°
10%
1 PM
31°
10%
2 PM
31°
10%
3 PM
30°
10%
4 PM
30°
10%
7-Day Forecast
Today
29° 22°
Mostly Clear.
Fri
31° 22°
Mostly Clear.
Sat
30° 22°
Partly Cloudy with a 31% chance of rain.
Sun
32° 22°
Mostly Clear with a 38% chance of rain.
Mon
30° 21°
Clear.
Tue
30° 21°
Drizzle, 60% chance.
Wed
28° 20°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 13 mph SSW 83%
6 PM 27° Clear 3% 12 mph SSW 84%
7 PM 27° Mostly Clear 3% 10 mph SSW 86%
8 PM 26° Mostly Clear 3% 9 mph SSW 87%
9 PM 25° Mostly Clear 3% 8 mph SSW 89%
10 PM 25° Mostly Clear 3% 8 mph SW 90%
11 PM 24° Partly Cloudy 3% 8 mph SW 92%
12 AM 24° Partly Cloudy 7% 7 mph SW 93%
1 AM 24° Partly Cloudy 6% 7 mph SSW 94%
2 AM 24° Partly Cloudy 6% 7 mph SSW 95%
3 AM 24° Partly Cloudy 3% 7 mph SW 96%
4 AM 24° Partly Cloudy 3% 6 mph SW 96%
5 AM 22° Partly Cloudy 3% 6 mph SW 95%
6 AM 23° Partly Cloudy 3% 5 mph SW 94%
7 AM 24° Partly Cloudy 3% 5 mph SW 91%
8 AM 25° Partly Cloudy 3% 6 mph WSW 87%
9 AM 26° Mostly Clear 5% 6 mph SW 80%
10 AM 27° Mostly Clear 5% 6 mph SW 75%
11 AM 28° Mostly Clear 10% 6 mph SW 70%
12 PM 29° Clear 10% 6 mph SW 68%
1 PM 31° Clear 10% 7 mph SW 67%
2 PM 31° Clear 10% 7 mph SSW 67%
3 PM 30° Clear 10% 7 mph SSW 69%
4 PM 30° Mostly Clear 10% 8 mph SSW 71%
15-Day Forecast
Today
8/6
Mostly Clear
3%
22°
29°
Fri
8/7
Mostly Clear
13%
22°
31°
Sat
8/8
Partly Cloudy
31%
22°
30°
Sun
8/9
Mostly Clear
38%
22°
32°
Mon
8/10
Clear
19%
21°
30°
Tue
8/11
Drizzle
60%
21°
30°
Wed
8/12
Clear
35%
20°
28°
Thu
8/13
Clear
60%
19°
28°
Fri
8/14
Drizzle
60%
17°
27°
Sat
8/15
Drizzle
60%
17°
26°
Sun
8/16
Drizzle
60%
19°
25°
Mon
8/17
Drizzle
60%
18°
26°
Tue
8/18
Drizzle
60%
18°
25°
Wed
8/19
Drizzle
60%
18°
26°
Thu
8/20
Drizzle
60%
18°
26°
36
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 36 Good 36 21
Sat 64 Moderate 64 44
Sun 47 Good 47 32
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 Thu Aug 6, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1865 J/kg
MLCAPE1619 J/kg
MUCAPE2094 J/kg
SBCIN-68 J/kg
MLCIN0 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear20 kt
0–1 km Shear11 kt
Eff. Shear19 kt
0–1 km SRH-31
0–3 km SRH-58
Eff. SRH-58
Storm Motion214° @ 30 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.9
Thermo & Levels
PWAT1.89 in
0–3 km LR5.3 °C/km
700–500 LR5.4 °C/km
Total Totals42.3
LCL973 hPa
LFC853 hPa
EL168 hPa
Freezing Lvl16,903 ft