Weather forecast for: Sinai SD
Last Update: 9:58 pm CDT Oct 3, 2026
Tonight: Mostly clear, with a low around 44. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday: Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Sunday Night: Clear, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Monday: Sunny, with a high near 68. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night: Mostly clear, with a low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday: Sunny, with a high near 76. South southwest wind around 10 mph becoming west northwest in the afternoon.
Tuesday Night: Mostly clear, with a low around 53.
Wednesday: Sunny, with a high near 69.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 68.
Thursday Night: Partly cloudy, with a low around 51.
Friday: Mostly sunny, with a high near 70.
Friday Night: Mostly clear, with a low around 58.
Saturday: Mostly sunny, with a high near 74. Breezy.
WeatherWorld.com
