Cos Cob Weather Forecast 15 Days, Weather in Cos Cob Today
Current weather conditions and 15 day weather forecast for Cos Cob, Connecticut, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Cos Cob
| 01 August 2026 Saturday 30.7 ° C / 87.3°F  Sunny |
Feels Like : 33.8 ° C / 92.8°F Humidity : % 58 Pressure : 1014 mb Wind Speed : 8.3 kmph / 5.1 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Cos Cob, CT, USA
Weather Forecast for next 15 Days for Cos Cob including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Cos Cob, Connecticut state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 August 2026 Saturday | Sunny |
19.5 ° C (67.1°F) |
31.2 ° C (88.2°F) |
24.8 ° C (76.6°F) |
% 78 | 8% | 8.5 | Sunrise:05:50 AM Sunset: 08:11 PM |
Moonrise:09:42 PM Moonset: 08:56 AM Moon Phase ( Waning Gibbous ) |
|
| 02 August 2026 Sunday |  Patchy rain nearby |
22.5 ° C (72.5°F) |
27.9 ° C (82.1°F) |
24.8 ° C (76.7°F) |
% 74 | 74% | 8.3 | Sunrise:05:51 AM Sunset: 08:09 PM |
Moonrise:10:01 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 03 August 2026 Monday |  Light rain shower |
22.7 ° C (72.9°F) |
24.9 ° C (76.9°F) |
23.5 ° C (74.2°F) |
% 93 | 91% | 5.9 | Sunrise:05:52 AM Sunset: 08:08 PM |
Moonrise:10:21 PM Moonset: 10:59 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday |  Partly Cloudy |
21.3 ° C (70.3°F) |
27.2 ° C (81°F) |
24.4 ° C (76°F) |
% 78 | 45% | 7.8 | Sunrise:05:53 AM Sunset: 08:07 PM |
Moonrise:10:44 PM Moonset: 12:03 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Light rain shower |
23.1 ° C (73.5°F) |
28.7 ° C (83.6°F) |
25.4 ° C (77.7°F) |
% 82 | 78% | 7 | Sunrise:05:54 AM Sunset: 08:06 PM |
Moonrise:11:12 PM Moonset: 01:11 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Partly Cloudy |
24.1 ° C (75.3°F) |
32.4 ° C (90.2°F) |
27.9 ° C (82.2°F) |
% 69 | 7% | 8 | Sunrise:05:55 AM Sunset: 08:05 PM |
Moonrise:11:46 PM Moonset: 02:22 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Partly Cloudy |
25.1 ° C (77.1°F) |
33.4 ° C (92.2°F) |
28.5 ° C (83.4°F) |
% 67 | 36% | 8 | Sunrise:05:56 AM Sunset: 08:04 PM |
Moonrise:Does not rise today Moonset: 03:34 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
24.8 ° C (76.7°F) |
32.2 ° C (90°F) |
28 ° C (82.4°F) |
% 66 | 36% | 8 | Sunrise:05:57 AM Sunset: 08:02 PM |
Moonrise:12:30 AM Moonset: 04:44 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
24 ° C (75.3°F) |
31.9 ° C (89.5°F) |
27.2 ° C (81°F) |
% 69 | 57% | 8 | Sunrise:05:58 AM Sunset: 08:01 PM |
Moonrise:01:27 AM Moonset: 05:47 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
22.6 ° C (72.7°F) |
30.9 ° C (87.7°F) |
26.2 ° C (79.2°F) |
% 62 | 17% | 8 | Sunrise:05:59 AM Sunset: 08:00 PM |
Moonrise:02:37 AM Moonset: 06:40 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
23.8 ° C (74.8°F) |
33.6 ° C (92.5°F) |
27.6 ° C (81.7°F) |
% 61 | 57% | 8 | Sunrise:06:00 AM Sunset: 07:58 PM |
Moonrise:03:56 AM Moonset: 07:22 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
22.5 ° C (72.5°F) |
29.5 ° C (85.2°F) |
25.6 ° C (78.1°F) |
% 62 | 6% | 7 | Sunrise:06:01 AM Sunset: 07:57 PM |
Moonrise:05:19 AM Moonset: 07:56 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
19.3 ° C (66.8°F) |
28.9 ° C (84°F) |
24.2 ° C (75.6°F) |
% 48 | 2% | 7 | Sunrise:06:02 AM Sunset: 07:56 PM |
Moonrise:06:41 AM Moonset: 08:25 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Partly Cloudy |
19.6 ° C (67.2°F) |
24.7 ° C (76.5°F) |
23 ° C (73.5°F) |
% 79 | 76% | 6 | Sunrise:06:03 AM Sunset: 07:54 PM |
Moonrise:08:00 AM Moonset: 08:50 PM Moon Phase ( Waxing Crescent ) |
|
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