Question

weather
weath - er weth - er
middle english, old english weder, german wetter
noun

1. state of atmosphere
2. strong wind or storm

whether
wheth - er hweth - er
middle english, old english hwether, old norse hvatharr
conjunction

1. used to introduce two or more alternatives

which sentence uses whether correctly?
it is time to find out whether janey chose the truck or the sedan.
london, england, is known for its blustery and wet whether.
strong whether can affect air, land, and sea travels.
i only turn on the radio to catch the whether and traffic reports.

Explanation:

The word "whether" is a conjunction used to introduce alternatives. In the first - sentence "It is time to find out whether Janey chose the truck or the sedan", it is used correctly to present two alternatives (truck or sedan). The other sentences wrongly use "whether" where the correct word should be "weather" which refers to the state of the atmosphere or strong wind/storm.

Answer:

It is time to find out whether Janey chose the truck or the sedan.