Water temperature in Mason City today
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.
Bite in Mason City today — moderate 🎣
Pressure is steady, water +26° — most active: crucian carp and bream. Forecast by fish species and for the week ahead.
Bite forecast →
Water temperature in Mason City for a month
There is no exact monthly water forecast — the reference is the climate normal: in summer the water warms to about +29°. The monthly normal is below.
Monthly water temperature in Mason City 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +9 | +12 | +15 | +17 | +22 | +29 | +29 | +26 | +26 | +23 | +16 | +12 |
Climate normal (model estimate).
Water temperature archive in Mason City on this day
| Year | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Water | +27° | +27° | +26° | +26° | +27° | +28° | +28° | +27° | +26° | +26° |
Climate normal (model estimate for this date), not a measurement archive.
When to swim in Mason City 🏖️
Where else to swim nearby 🏝️
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FAQ about water in Mason City ❓
What is the water temperature in Mason City now?
Now +26° — Warm water.
When to swim in Mason City?
Comfortable season — from May to October.
When is the water in Mason City warmest?
Warmest in June — up to +29°.
Water temperature in Mason City — in detail
A summary page of water temperature across all bodies of water in Mason City. Now about +26°. For seas the temperature is measured SST; for rivers and lakes it is a climate estimate.