10-day forecast for South San Ysidro, NM: 61° to 94°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Sunday, August 9
83° · 0.07 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 61°0.05
Morning71°feels 70°
Afternoon94°feels 90°
Evening73°feels 72°
Overnight67°feels 66°
94 °
South San Ysidro, Monday, 10 August
Light rain. High 94°, low 61°.
Pressure29.85 inHg
Wind6.8 mph W
Humidity19%
Visibility6.2 mi
Dew point41°
Tue, 1189° / 63°0.08
Morning71°feels 70°
Afternoon89°feels 86°
Evening73°feels 72°
Overnight67°feels 66°
89 °
South San Ysidro, Tuesday, 11 August
Rain. High 89°, low 63°.
Pressure29.85 inHg
Wind11.7 mph W
Humidity25%
Visibility6.2 mi
Dew point46°
Wed, 1288° / 64°0.01
Morning72°feels 71°
Afternoon88°feels 85°
Evening77°feels 75°
Overnight64°feels 63°
88 °
South San Ysidro, Wednesday, 12 August
Light rain. High 88°, low 64°.
Pressure29.83 inHg
Wind16.4 mph W
Humidity28%
Visibility6.2 mi
Dew point48°
Thu, 1383° / 64°0.01
Morning71°feels 70°
Afternoon85°feels 82°
Evening82°feels 80°
Overnight69°feels 68°
83 °
South San Ysidro, Thursday, 13 August
Light rain. High 83°, low 64°.
Pressure29.83 inHg
Wind13.8 mph W
Humidity31%
Visibility6.2 mi
Dew point48°
Fri, 1481° / 61°0
Morning66°feels 66°
Afternoon79°feels 79°
Evening78°feels 78°
Overnight70°feels 69°
81 °
South San Ysidro, Friday, 14 August
Overcast. High 81°, low 61°.
Pressure29.88 inHg
Wind24.5 mph W
Humidity39%
Visibility—
Dew point50°
Sat, 1586° / 64°0
Morning70°feels 68°
Afternoon82°feels 80°
Evening74°feels 73°
Overnight66°feels 65°
86 °
South San Ysidro, Saturday, 15 August
Overcast. High 86°, low 64°.
Pressure30.03 inHg
Wind13.4 mph W
Humidity28%
Visibility—
Dew point44°
Sun, 1683° / 63°0
Morning68°feels 67°
Afternoon81°feels 80°
Evening75°feels 74°
Overnight67°feels 66°
83 °
South San Ysidro, Sunday, 16 August
Light rain. High 83°, low 63°.
Pressure30.03 inHg
Wind15.5 mph W
Humidity31%
Visibility—
Dew point46°
Mon, 1787° / 64°0.02
Morning72°feels 71°
Afternoon85°feels 82°
Evening80°feels 79°
Overnight72°feels 71°
87 °
South San Ysidro, Monday, 17 August
Light rain. High 87°, low 64°.
Pressure29.94 inHg
Wind14.4 mph W
Humidity24%
Visibility—
Dew point42°
Tue, 1883° / 65°0.07
Morning70°feels 69°
Afternoon80°feels 79°
Evening73°feels 72°
Overnight66°feels 65°
83 °
South San Ysidro, Tuesday, 18 August
Light rain. High 83°, low 65°.
Pressure30.00 inHg
Wind14 mph S
Humidity32%
Visibility—
Dew point47°
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 South San Ysidro, NM 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.