Weather Forecast for Cape Cod
Massachusetts, United States of America
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Current Weather - Cape Cod: 17°C
Current Weather - Cape Cod: 17°C
Massachusetts, United States of America
Light rain shower
Feels like 15°C
Wind
18 km/h E
Humidity
98%
Pressure
1010 mb
UV Index
0
Visibility
10 km
Light rain shower
Monday, September 28, 2026
High
19°C
Low
16°C
Rain Chance
94%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
28 km/h
Humidity
96%
Precipitation
13 mm
UV Index
3
Visibility
9 km
Rain Chance
94%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
06:28 PM
Moonrise
07:05 PM
Moonset
08:41 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
5.9
μg/m³
PM10
9.1
μg/m³
NO₂
4.2
μg/m³
O₃
66.2
μg/m³
SO₂
0.5
μg/m³
CO
126.2
μg/m³
Patchy rain nearby
Tuesday, September 29, 2026
High
17°C
Low
15°C
Rain Chance
83%
Hourly Forecast
17°C
17°C
16°C
16°C
17°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
30 km/h
Humidity
95%
Precipitation
2 mm
UV Index
1
Visibility
9 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
06:27 PM
Moonrise
07:34 PM
Moonset
09:50 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
4
μg/m³
PM10
4.4
μg/m³
NO₂
10
μg/m³
O₃
48.5
μg/m³
SO₂
0.9
μg/m³
CO
174.5
μg/m³
Overcast
Wednesday, September 30, 2026
High
18°C
Low
15°C
Rain Chance
40%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
17°C
17°C
17°C
18°C
18°C
18°C
17°C
17°C
16°C
16°C
17°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
87%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
40%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
06:25 PM
Moonrise
08:10 PM
Moonset
11:01 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
6
μg/m³
PM10
6.9
μg/m³
NO₂
12.1
μg/m³
O₃
41.2
μg/m³
SO₂
1.2
μg/m³
CO
217.3
μg/m³
Overcast
Thursday, October 01, 2026
High
23°C
Low
16°C
Rain Chance
20%
Hourly Forecast
17°C
17°C
17°C
16°C
16°C
16°C
16°C
16°C
17°C
19°C
20°C
21°C
22°C
23°C
23°C
23°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
18 km/h
Humidity
81%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
06:23 PM
Moonrise
08:56 PM
Moonset
12:11 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Air Quality
PM2.5
10.1
μg/m³
PM10
12.8
μg/m³
NO₂
6.9
μg/m³
O₃
70.3
μg/m³
SO₂
1.3
μg/m³
CO
162.9
μg/m³
Overcast
Friday, October 02, 2026
High
26°C
Low
16°C
Rain Chance
15%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
19°C
18°C
18°C
19°C
20°C
22°C
23°C
25°C
26°C
24°C
24°C
23°C
23°C
21°C
20°C
18°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
21 km/h
Humidity
73%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:39 AM
Sunset
06:21 PM
Moonrise
09:53 PM
Moonset
01:17 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
9.7
μg/m³
PM10
12
μg/m³
NO₂
4
μg/m³
O₃
102.3
μg/m³
SO₂
1.2
μg/m³
CO
203.6
μg/m³
Overcast
Saturday, October 03, 2026
High
16°C
Low
11°C
Rain Chance
11%
Hourly Forecast
16°C
15°C
15°C
15°C
14°C
14°C
13°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
29 km/h
Humidity
57%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
06:40 AM
Sunset
06:20 PM
Moonrise
11:01 PM
Moonset
02:14 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Overcast
Sunday, October 04, 2026
High
15°C
Low
11°C
Rain Chance
10%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
14°C
15°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
13°C
13°C
13°C
14°C
14°C
Day Statistics
Maximum Wind
23 km/h
Humidity
60%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
06:41 AM
Sunset
06:18 PM
Moonrise
Does not rise today
Moonset
03:00 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Solar Radiation Data
Shortwave Radiation
0.04
Diffuse Radiation
0.03
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued September 27 at 3:09PM EDT until September 28 at 2:00PM EDT by NWS Boston/Norton MA
* WHAT...East winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet. * WHERE...Cape Cod Bay. * WHEN...Until 2 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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