This is a climate-model estimate, not a measurement: we have no measured water temperature for rivers, lakes and reservoirs yet. Real measurements are available for seas only.
Water temperature map of the Connecticut
Water temperature in the Connecticut by city today 📍
| City | Now | Swimming |
|---|---|---|
| Ist-Khartford | +22° | Comfortable for swimming |
| Springfield | +22° | Comfortable for swimming |
| Easthampton | +20° | Comfortable for swimming |
| Enfield | +21° | Comfortable for swimming |
| Longmeadow | +22° | Comfortable for swimming |
| Bratlboro | +21° | Comfortable for swimming |
| Middletown | +22° | Comfortable for swimming |
| Holyoke | +21° | Comfortable for swimming |
| South Hadley | +21° | Comfortable for swimming |
| Wethersfield | +21° | Comfortable for swimming |
| Springfield | +20° | Comfortable for swimming |
| West Springfield | +22° | Comfortable for swimming |
| Hartford | +21° | Comfortable for swimming |
| Lebanon | +21° | Comfortable for swimming |
| Windsor | +22° | Comfortable for swimming |
| Chicopee | +21° | Comfortable for swimming |
🎣 Fishing in cities on the Connecticut
Water temperature forecast in the Connecticut 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Connecticut this weekend
Water temperature in the Connecticut for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +25° in summer. The monthly normal is below.
Monthly water temperature in the Connecticut 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +11 | +10 | +13 | +17 | +19 | +21 | +25 | +24 | +19 | +17 | +15 | +10 |
Climate normal (model estimate).
Swimming conditions in the Connecticut by month
When to swim in the Connecticut 🏖️
Cities on the Connecticut 📍
FAQ about water in the Connecticut ❓
What is the water temperature in the Connecticut now?
Now +21° — Comfortable for swimming.
Can you swim in the Connecticut?
Comfortable season — from April to October.
When is water warmest in the Connecticut?
Warmest in July — up to +25°.
Where does the water temperature data come from?
A water temperature model (by latitude, longitude and day of year), by cities.
Water temperature archive in the Connecticut on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Ist-Khartford | +25° | +25° | +23° | +21° | +21° | +22° | +24° | +25° | +24° | +22° |
| Springfield | +25° | +25° | +23° | +21° | +21° | +22° | +24° | +25° | +24° | +22° |
| Easthampton | +23° | +24° | +22° | +20° | +19° | +21° | +23° | +24° | +23° | +20° |
| Enfield | +24° | +24° | +22° | +20° | +20° | +21° | +23° | +24° | +23° | +21° |
| Longmeadow | +25° | +25° | +23° | +21° | +21° | +22° | +24° | +25° | +24° | +22° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Connecticut — in detail
Water temperature in the Connecticut is tracked across 16 cities. The water is now about +21°. The page has a temperature map by city, a daily forecast and a monthly climate normal.