London Could Reach 27°C on Tuesday Before Western Rain
London and parts of southern Britain could reach 26–27°C on Tuesday 29 September, while rain and stronger winds are expected to move into western areas later in the day and overnight. If you are travelling or planning to spend time outdoors, check your local forecast before setting out and review coastal conditions and any updated warnings before visiting the coast.
London warmth and western rain have different timings
The Met Office forecast puts temperatures at 24–25°C in parts of southern Britain, with 26°C or possibly 27°C around London. These are forecast highs, not temperatures already recorded, and local conditions may vary.
Rain and stronger winds are expected to arrive from the west later on Tuesday. Western areas may therefore see conditions change during the evening and overnight, while London’s forecast warmth is for earlier in the day. The timing and extent of the rain can vary, so check the forecast for your specific location.
Check travel and coastal conditions before setting out
For Tuesday plans, check the latest local forecast shortly before you leave, especially if your journey crosses western parts of the UK or continues into the evening. Allow for changing conditions if rain and stronger winds reach your route.

Large waves are possible around some western coasts as winds strengthen. Check local coastal conditions before heading out, keep away from exposed edges in rough conditions, and look for any updated Met Office warnings. The forecast described here is not itself a weather warning.
The outlook comes from the Met Office’s week-ahead forecast, published on 28 September. Local forecasts and warning information are the most useful checks for decisions on Tuesday.
Source: Met Office
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The Met Office forecast published on 28 September gives the outlook for Tuesday 29 September; conditions may vary by location.
- Check the forecast for your exact location
- Review coastal conditions before visiting western coasts
- Check for updated weather warnings before travelling
- Source
- Met Office
- Scope
- United Kingdom
- Updated
- 2026-10-15 09:22
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