Weather in San Ysidro, NM
San Ysidro, Sunday, 9 August, 03:20
Clear. Feels like 81°. High 99°, low 74°.
Monthly outlook for San Ysidro, NM: average high 96.9°, average low 76.8°. That is 2.6° above the climate normal for August. Precipitation is expected on 4 days (about 0.3 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 10 August (100.3°), the coolest 10 August (69.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 96.4° | 92.6° | +2.1° |
| 19 August – 28 August | 97.9° | 91.6° | +3.5° |
| 29 August – 7 September | at normal | 89.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Las Cruces (2 mi).
0
San Ysidro, Monday, 10 August
Clear. High 100°, low 69°.
0San Ysidro, Tuesday, 11 August
Clear. High 100°, low 81°.
0San Ysidro, Wednesday, 12 August
Clear. High 95°, low 78°.
0.04
San Ysidro, Thursday, 13 August
Light rain. High 95°, low 77°.
0.03San Ysidro, Friday, 14 August
Light rain. High 95°, low 76°.
0.1San Ysidro, Saturday, 15 August
Light rain. High 94°, low 73°.
0.06San Ysidro, Sunday, 16 August
Light rain. High 94°, low 76°.
0.02San Ysidro, Monday, 17 August
Light rain. High 94°, low 76°.
0San Ysidro, Tuesday, 18 August
Clear. High 97°, low 78°.
0San Ysidro, Wednesday, 19 August
Clear. High 99°, low 80°.
0
San Ysidro, Thursday, 20 August
Overcast. High 100°, low 78°.
0San Ysidro, Friday, 21 August
Clear. High 99°, low 78°.
0San Ysidro, Saturday, 22 August
Overcast. High 98°, low 79°.
0.04San Ysidro, Sunday, 23 August
Light rain. High 96°, low 77°.
0.01San Ysidro, Monday, 24 August
Light rain. High 96°, low 77°.
0.03
San Ysidro, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.04San Ysidro, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06San Ysidro, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04San Ysidro, Friday, 28 August
Climate normal for this date — 60-year average.
0.04San Ysidro, Saturday, 29 August
Climate normal for this date — 60-year average.
0.04San Ysidro, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05San Ysidro, Monday, 31 August
Climate normal for this date — 60-year average.
0.03
San Ysidro, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.03San Ysidro, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06San Ysidro, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04San Ysidro, Friday, 4 September
Climate normal for this date — 60-year average.
0.03San Ysidro, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05San Ysidro, Sunday, 6 September
Climate normal for this date — 60-year average.
0.03San Ysidro, Monday, 7 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for San Ysidro, NM are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in San Ysidro, NM since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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