Westerly, Rhode Island Weather
Hourly forecast in Westerly
16-day forecast for Westerly
Check any date
Westerly air quality & conditions
Air quality index
Today's outlook for Westerly
Loading today's outlook…
Explore nearby
Weather articles
Weather news
Climate of Westerly: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Westerly, with average daytime highs around 27°C. January is the coolest, when nights typically fall to about -5°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 33°C, so the seasons feel very different from each other.
The area receives about 1180 mm of rain in a typical year. Most of it falls from March to April, June, September to October and December (around 56% of the yearly total), and October is the wettest month at roughly 121 mm.
For outdoor plans and travel, May and July to August usually offer the most comfortable weather in Westerly, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 2° | -5° | 82 mm | 86% |
| Feb | 3° | -5° | 83 mm | 84% |
| Mar | 7° | -2° | 108 mm | 82% |
| Apr | 13° | 3° | 107 mm | 80% |
| May | 18° | 9° | 88 mm | 79% |
| Jun | 23° | 14° | 104 mm | 80% |
| Jul | 27° | 18° | 88 mm | 77% |
| Aug | 27° | 18° | 87 mm | 75% |
| Sep | 24° | 14° | 100 mm | 76% |
| Oct | 17° | 9° | 121 mm | 78% |
| Nov | 11° | 3° | 96 mm | 81% |
| Dec | 5° | -2° | 115 mm | 85% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Westerly. Values describe typical conditions, not a forecast.
About Westerly weather
Westerly, in Rhode Island's humid continental, coastal New England climate, is positioned about 60 km south-west of Providence. The warmer months mean warm, humid summers (June–August). Finally, there's cold winters (December–February) with coastal storms and snow. This page shows live, auto-refreshing weather for Westerly: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Westerly is about 60 km south-west of Providence, in Rhode Island.
Westerly sees cold winters (December–February) with coastal storms and snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Westerly's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Westerly, with average daytime highs of about 27°C and nights around 18°C.
The coldest nights come in January, when the average low is about -5°C and daytime highs reach around 2°C. Frost is possible on clear, calm nights.
Westerly receives about 1180 mm of rain in a typical year. October is the wettest month at roughly 121 mm, and the main rainy period is March to April, June, September to October and December.
May and July to August usually offer the most comfortable weather in Westerly, with mild daytime temperatures and little rain.
In November Westerly typically sees daytime highs near 11°C and lows near 3°C, with about 96 mm of rain over the month and average humidity around 81%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Westerly updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Westerly's day-to-day weather follows the broader pattern of Rhode Island described above. See the hourly weather forecast or the air quality index for more detail.