Cranston, Rhode Island Weather
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Climate of Cranston: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Cranston, with average daytime highs around 28°C. January is the coolest, when nights typically fall to about -7°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 35°C, so the seasons feel very different from each other.
The area receives about 1210 mm of rain in a typical year. Most of it falls from March to April, June and October to December (around 56% of the yearly total), and October is the wettest month at roughly 123 mm.
For outdoor plans and travel, May and July to September usually offer the most comfortable weather in Cranston, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 1° | -7° | 85 mm | 87% |
| Feb | 3° | -6° | 86 mm | 86% |
| Mar | 7° | -3° | 113 mm | 82% |
| Apr | 13° | 3° | 109 mm | 79% |
| May | 19° | 8° | 90 mm | 79% |
| Jun | 24° | 14° | 107 mm | 79% |
| Jul | 28° | 18° | 91 mm | 75% |
| Aug | 28° | 17° | 89 mm | 73% |
| Sep | 24° | 13° | 96 mm | 75% |
| Oct | 17° | 7° | 123 mm | 78% |
| Nov | 11° | 2° | 101 mm | 81% |
| Dec | 5° | -3° | 117 mm | 86% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Cranston. Values describe typical conditions, not a forecast.
About Cranston weather
Cranston lies in Rhode Island's humid continental, coastal New England climate — about 5 km south of Providence. Expect warm, humid summers (June–August). Winter brings cold winters (December–February) with coastal storms and snow. This page shows live, auto-refreshing weather for Cranston: 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
Cranston is about 5 km south of Providence, in Rhode Island.
Cranston 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 Cranston's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Cranston, with average daytime highs of about 28°C and nights around 18°C.
The coldest nights come in January, when the average low is about -7°C and daytime highs reach around 1°C. Frost is possible on clear, calm nights.
Cranston receives about 1210 mm of rain in a typical year. October is the wettest month at roughly 123 mm, and the main rainy period is March to April, June and October to December.
May and July to September usually offer the most comfortable weather in Cranston, with mild daytime temperatures and little rain.
In November Cranston typically sees daytime highs near 11°C and lows near 2°C, with about 101 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 Cranston 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.
Cranston'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.