10-day forecast for Johnstone, TX: 75° to 103°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Wednesday, August 12
96°
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0998° / 76°0
Morning77°feels 78°
Afternoon96°feels 98°
Evening93°feels 92°
Overnight81°feels 81°
98 °
Johnstone, Sunday, 9 August
Clear. High 98°, low 76°.
Pressure29.97 inHg
Wind10.4 mph SE
Humidity44%
Visibility6.2 mi
Dew point66°
Mon, 1099° / 77°0
Morning78°feels 79°
Afternoon96°feels 99°
Evening96°feels 97°
Overnight83°feels 85°
99 °
Johnstone, Monday, 10 August
Partly cloudy. High 99°, low 77°.
Pressure29.97 inHg
Wind13.6 mph SE
Humidity47%
Visibility6.2 mi
Dew point68°
Tue, 11101° / 78°0
Morning78°feels 79°
Afternoon97°feels 100°
Evening97°feels 96°
Overnight85°feels 86°
101 °
Johnstone, Tuesday, 11 August
Clear. High 101°, low 78°.
Pressure29.97 inHg
Wind18.3 mph SE
Humidity46%
Visibility6.2 mi
Dew point68°
Wed, 12103° / 79°0
Morning78°feels 79°
Afternoon99°feels 101°
Evening100°feels 97°
Overnight84°feels 87°
103 °
Johnstone, Wednesday, 12 August
Clear. High 103°, low 79°.
Pressure29.88 inHg
Wind18.1 mph SE
Humidity43%
Visibility6.2 mi
Dew point66°
Thu, 13103° / 78°0
Morning82°feels 84°
Afternoon96°feels 98°
Evening100°feels 100°
Overnight89°feels 88°
103 °
Johnstone, Thursday, 13 August
Clear. High 103°, low 78°.
Pressure29.85 inHg
Wind19.7 mph SE
Humidity39%
Visibility—
Dew point64°
Fri, 14102° / 78°0
Morning82°feels 85°
Afternoon96°feels 99°
Evening100°feels 98°
Overnight88°feels 87°
102 °
Johnstone, Friday, 14 August
Partly cloudy. High 102°, low 78°.
Pressure29.94 inHg
Wind19.4 mph SE
Humidity42%
Visibility—
Dew point65°
Sat, 15101° / 77°0
Morning82°feels 84°
Afternoon95°feels 98°
Evening97°feels 98°
Overnight87°feels 88°
101 °
Johnstone, Saturday, 15 August
Clear. High 101°, low 77°.
Pressure30.06 inHg
Wind23.4 mph SE
Humidity41%
Visibility—
Dew point65°
Sun, 16100° / 76°0.02
Morning82°feels 82°
Afternoon95°feels 95°
Evening97°feels 95°
Overnight87°feels 86°
100 °
Johnstone, Sunday, 16 August
Light rain. High 100°, low 76°.
Pressure30.09 inHg
Wind14.2 mph SE
Humidity32%
Visibility—
Dew point58°
Mon, 17100° / 77°0
Morning82°feels 83°
Afternoon95°feels 96°
Evening96°feels 94°
Overnight86°feels 85°
100 °
Johnstone, Monday, 17 August
Clear. High 100°, low 77°.
Pressure30.06 inHg
Wind17.3 mph SE
Humidity34%
Visibility—
Dew point60°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Johnstone, TX around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.