Weather in San Juan, TX
San Juan, Friday, 6 November, 20:08
Clear. Feels like 76°. High 82°, low 71°.
Monthly outlook for San Juan, TX: average high 78.3°, average low 67.8°. That is 0.5° below the climate normal for November. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 20 November (85°), the coolest 14 November (57.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 6 November – 15 November | 76.8° | 79.8° | -1.6° |
| 16 November – 25 November | 80.7° | 77.5° | +1.8° |
| 26 November – 5 December | at normal | 75° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — McAllen (6 mi).
0.29
San Juan, Saturday, 7 November
Rain. High 81°, low 72°.
1.72San Juan, Sunday, 8 November
Heavy rain. High 78°, low 70°.
0.74San Juan, Monday, 9 November
Rain. High 79°, low 69°.
0.01San Juan, Tuesday, 10 November
Light rain. High 74°, low 68°.
0.01San Juan, Wednesday, 11 November
Light rain. High 75°, low 67°.
0
San Juan, Thursday, 12 November
Overcast. High 78°, low 67°.
0San Juan, Friday, 13 November
Overcast. High 73°, low 63°.
0
San Juan, Saturday, 14 November
Clear. High 74°, low 57°.
0San Juan, Sunday, 15 November
Overcast. High 76°, low 67°.
0San Juan, Monday, 16 November
Overcast. High 77°, low 71°.
0San Juan, Tuesday, 17 November
Overcast. High 79°, low 72°.
0.01San Juan, Wednesday, 18 November
Light rain. High 80°, low 70°.
0
San Juan, Thursday, 19 November
Partly cloudy. High 80°, low 70°.
0.01San Juan, Friday, 20 November
Light rain. High 85°, low 70°.
0.23San Juan, Saturday, 21 November
Rain. High 83°, low 61°.
0.06San Juan, Sunday, 22 November
Climate normal for this date — 60-year average.
0.04
San Juan, Monday, 23 November
Climate normal for this date — 60-year average.
0.05San Juan, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06San Juan, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.05San Juan, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06San Juan, Friday, 27 November
Climate normal for this date — 60-year average.
0.05San Juan, Saturday, 28 November
Climate normal for this date — 60-year average.
0.03San Juan, Sunday, 29 November
Climate normal for this date — 60-year average.
0.02San Juan, Monday, 30 November
Climate normal for this date — 60-year average.
0.04San Juan, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07San Juan, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06San Juan, Thursday, 3 December
Climate normal for this date — 60-year average.
0.03San Juan, Friday, 4 December
Climate normal for this date — 60-year average.
0.03San Juan, Saturday, 5 December
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 Juan, TX 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 Juan, TX 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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