Weather forecast for: Onalaska TX
Last Update: 7:20 pm CDT Sep 18, 2026
Tonight: Patchy fog after 5am. Otherwise, clear, with a low around 73. Southeast wind around 5 mph becoming calm.
Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm after midnight.
Sunday: Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night: Partly cloudy, with a low around 76. South wind around 5 mph.
Monday: Mostly sunny, with a high near 94.
Monday Night: Partly cloudy, with a low around 75.
Tuesday: Sunny, with a high near 95.
Tuesday Night: Partly cloudy, with a low around 76.
Wednesday: Sunny, with a high near 93.
Wednesday Night: Partly cloudy, with a low around 74.
Thursday: Sunny, with a high near 91.
Thursday Night: Partly cloudy, with a low around 73.
Friday: Sunny, with a high near 90.