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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the NewsPrism weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Interlaken’s weather is highly variable due to its valley location between Lake Thun and Lake Brienz; the live forecast above shows the current conditions, but expect rapid changes from sunny spells to passing showers, especially in summer.
What is the typical weather pattern for Interlaken?
Interlaken sits in a narrow Alpine valley, so its weather is influenced by both the lakes and surrounding mountains, creating a local microclimate.
- Summer (June–August): mild to warm, 18–28°C, with occasional thunderstorms and cooler evenings; the lakes can bring localised fog early in the day.
- Winter (December–February): cold, 0–5°C, with frequent snow in the surrounding hills but often rain rather than snow in the town itself.
- Spring and autumn: highly changeable; crisp mornings give way to sunny afternoons followed by sudden rain—layers are essential.
- Wind: the “föhn” wind can blow from the south, bringing unseasonably warm, dry air and clear skies, especially in autumn and spring.
How far ahead can you trust an Interlaken forecast?
Mountain weather is notoriously unpredictable beyond a few days, so the 14-day and 30-day outlooks should be treated as broad trends.
- The interlaken weather 14 day forecast gives a useful guide to temperature ranges and general weather patterns, but individual day forecasts often shift.
- For reliable planning, check the interlaken weather 10 days outlook and update daily—the live forecast above is your best reference.
- Long-range interlaken weather forecast 30 days can indicate persistent high or low pressure systems, but local showers can still appear without warning.
- For tomorrow’s details, the interlaken weather tomorrow tile on the live panel is updated more frequently than weekly summaries.
Does Interlaken use Celsius or Fahrenheit for weather reports?
Switzerland uses Celsius (centigrade) for all official temperatures. If you need interlaken weather celsius figures, the live forecast above displays them; interlaken weather fahrenheit conversions are available via most weather apps but not on local Swiss forecasts.
Is BBC Weather accurate for Interlaken?
BBC Weather provides a reliable interlaken weather bbc overview, but its models can be less precise for the valley’s microclimate than MeteoSwiss data. Check the live forecast above alongside BBC for a balanced picture.
Why does the 14‑day forecast change so often?
Mountain weather systems are small-scale and fast-moving. A interlaken weather 14 days forecast often revises precipitation timing and cloud cover as new satellite and radar data becomes available—refresh the live forecast daily for the latest.
Sources
Discover more UK forecasts on our weather hub, or check Birmingham Weather and Glasgow Weather for comparison. For extended outlooks, see our 10 Day Weather Forecast UK page.