Weather in Saint John, VI
Saint John, Monday, 19 October, 04:05
Mostly clear. Feels like 79°. High 89°, low 78°.
Monthly outlook for Saint John, VI: average high 85.6°, average low 78.3°. That is 2° above the climate normal for October. Precipitation is expected on 11 days (about 4.7 inches), against a normal of 10 days and 2.6 inches. The warmest day looks like 19 October (89°), the coolest 31 October (73.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 87.6° | 82.1° | +3° |
| 29 October – 7 November | 82.4° | 81.6° | +0.4° |
| 8 November – 17 November | at normal | 81.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Christiansted (3 mi).
0.09
Saint John, Tuesday, 20 October
Rain. High 87°, low 76°.
0.04Saint John, Wednesday, 21 October
Light rain. High 88°, low 82°.
0Saint John, Thursday, 22 October
Light rain. High 89°, low 84°.
0.04Saint John, Friday, 23 October
Light rain. High 88°, low 84°.
0
Saint John, Saturday, 24 October
Partly cloudy. High 88°, low 81°.
0.06Saint John, Sunday, 25 October
Light rain. High 87°, low 79°.
0.02Saint John, Monday, 26 October
Light rain. High 87°, low 79°.
0.04Saint John, Tuesday, 27 October
Light rain. High 87°, low 78°.
0.09Saint John, Wednesday, 28 October
Light rain. High 87°, low 78°.
0.03Saint John, Thursday, 29 October
Light rain. High 86°, low 79°.
0.72Saint John, Friday, 30 October
Rain. High 85°, low 74°.
1.61Saint John, Saturday, 31 October
Heavy rain. High 80°, low 74°.
0.23Saint John, Sunday, 1 November
Light rain. High 79°, low 75°.
1.01Saint John, Monday, 2 November
Rain. High 81°, low 76°.
0.55Saint John, Tuesday, 3 November
Rain. High 82°, low 77°.
0.17Saint John, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.18Saint John, Thursday, 5 November
Climate normal for this date — 60-year average.
0.18Saint John, Friday, 6 November
Climate normal for this date — 60-year average.
0.31Saint John, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Saint John, Sunday, 8 November
Climate normal for this date — 60-year average.
0.2Saint John, Monday, 9 November
Climate normal for this date — 60-year average.
0.22Saint John, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Saint John, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.2Saint John, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14Saint John, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Saint John, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Saint John, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Saint John, Monday, 16 November
Climate normal for this date — 60-year average.
0.26Saint John, Tuesday, 17 November
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 Saint John, VI 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 Saint John, VI 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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