Weather vs Whether
Weather is the noun — rain, sun, forecast. Whether introduces alternatives — 'I don't know whether it will rain'.
The one-line answer
Weather is the noun — rain, sun, forecast. Whether introduces alternatives — 'I don't know whether it will rain'.
weather
nounconditions outside: rain, sun, temperature
- The weather is beautiful today.
- We stayed home because of bad weather.
- The weather forecast says rain tomorrow.
whether
conjunctionused to introduce alternatives — often with 'or not'
- I don't know whether she's coming.
- Tell me whether you agree or not.
- It doesn't matter whether it rains.
Memory trick
Whe-ther contains 'the' — ask 'the weather?' If the sentence presents two options or an 'if' meaning, you need whether (like 'either/or' — both have 'e-r' endings).
Weather vs Whether: Test yourself
Question 1 of 2The ___ was too cold for a picnic.