Whether is pronounced WETH-ər (IPA /ˈwɛðər/). It sounds identical to 'weather' — voiced 'th' with vibrating vocal cords.
IPA: /ˈwɛðər/
Syllables: WETH · ər
Common ESL mistake: Learners overpronounce the 'wh' and use voiceless 'th' /θ/.
Tip: It sounds identical to 'weather' — voiced 'th' with vibrating vocal cords.