10-day forecast for San Isidro, TX: 76° to 103°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 18
94°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 77°0
Morning80°feels 80°
Afternoon100°feels 102°
Evening91°feels 92°
Overnight80°feels 80°
100 °
San Isidro, Monday, 10 August
Clear. High 100°, low 77°.
Pressure30.00 inHg
Wind14.8 mph SE
Humidity42%
Visibility6.2 mi
Dew point67°
Tue, 11102° / 79°0
Morning81°feels 86°
Afternoon100°feels 103°
Evening93°feels 96°
Overnight81°feels 87°
102 °
San Isidro, Tuesday, 11 August
Overcast. High 102°, low 79°.
Pressure30.00 inHg
Wind15.3 mph SE
Humidity41%
Visibility6.2 mi
Dew point68°
Wed, 12102° / 80°0
Morning81°feels 87°
Afternoon101°feels 102°
Evening91°feels 92°
Overnight82°feels 88°
102 °
San Isidro, Wednesday, 12 August
Clear. High 102°, low 80°.
Pressure29.91 inHg
Wind19.8 mph SE
Humidity33%
Visibility6.2 mi
Dew point63°
Thu, 13103° / 81°0
Morning82°feels 87°
Afternoon99°feels 101°
Evening94°feels 98°
Overnight82°feels 87°
103 °
San Isidro, Thursday, 13 August
Clear. High 103°, low 81°.
Pressure29.91 inHg
Wind18.7 mph SE
Humidity36%
Visibility6.2 mi
Dew point65°
Fri, 14101° / 82°0
Morning87°feels 92°
Afternoon98°feels 102°
Evening93°feels 96°
Overnight86°feels 92°
101 °
San Isidro, Friday, 14 August
Overcast. High 101°, low 82°.
Pressure29.97 inHg
Wind20.4 mph SE
Humidity33%
Visibility—
Dew point63°
Sat, 1596° / 82°0
Morning85°feels 92°
Afternoon93°feels 98°
Evening92°feels 95°
Overnight83°feels 89°
96 °
San Isidro, Saturday, 15 August
Overcast. High 96°, low 82°.
Pressure30.06 inHg
Wind22.5 mph E
Humidity45%
Visibility—
Dew point67°
Sun, 16103° / 78°0
Morning84°feels 86°
Afternoon96°feels 100°
Evening92°feels 94°
Overnight82°feels 86°
103 °
San Isidro, Sunday, 16 August
Mostly clear. High 103°, low 78°.
Pressure30.09 inHg
Wind22.3 mph E
Humidity37%
Visibility—
Dew point64°
Mon, 17102° / 76°0
Morning82°feels 82°
Afternoon96°feels 96°
Evening93°feels 97°
Overnight83°feels 86°
102 °
San Isidro, Monday, 17 August
Clear. High 102°, low 76°.
Pressure30.03 inHg
Wind21.9 mph E
Humidity27%
Visibility—
Dew point55°
Tue, 18103° / 77°0
Morning83°feels 85°
Afternoon98°feels 100°
Evening95°feels 98°
Overnight84°feels 88°
103 °
San Isidro, Tuesday, 18 August
Clear. High 103°, low 77°.
Pressure29.94 inHg
Wind20.6 mph SE
Humidity33%
Visibility—
Dew point61°
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 San Isidro, 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.