Monthly outlook for Islamorada, FL: average high 79.4°, average low 76.1°. That is 0.1° below the climate normal for October. Precipitation is expected on 10 days (about 5.7 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 19 October (83.1°), the coolest 3 November (72°).
79.4°/76.1°
Average high / low
−0.1°
Below normal
10 / 6
Wet days / normal
5.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
19 October – 28 October
79.8°
79.8°
+0°
29 October – 7 November
78.6°
78.7°
-0°
8 November – 17 November
at normal
77.4°
—
October records over 66 years
86.4°3 October 2020All-time high
61.7°21 October 1989All-time low
Climate normals and records are computed from the nearest reference point — Tavernier (10 mi).
Tue, 2081° / 76°0.01
81 °
Islamorada, Tuesday, 20 October
Light rain. High 81°, low 76°.
Pressure30.00 inHg
Wind18.5 mph NE
Humidity71%
Visibility6.2 mi
Dew point70°
Wed, 2181° / 74°0
81 °
Islamorada, Wednesday, 21 October
Clear. High 81°, low 74°.
Pressure30.00 inHg
Wind14.6 mph NE
Humidity67%
Visibility6.2 mi
Dew point67°
Thu, 2279° / 73°0.02
79 °
Islamorada, Thursday, 22 October
Light rain. High 79°, low 73°.
Pressure30.00 inHg
Wind10.2 mph N
Humidity70%
Visibility6.2 mi
Dew point67°
Fri, 2379° / 74°0.09
79 °
Islamorada, Friday, 23 October
Light rain. High 79°, low 74°.
Pressure29.94 inHg
Wind12.2 mph NE
Humidity77%
Visibility6.2 mi
Dew point70°
Sat, 2477° / 74°0.74
77 °
Islamorada, Saturday, 24 October
Rain. High 77°, low 74°.
Pressure29.97 inHg
Wind27.9 mph NE
Humidity82%
Visibility—
Dew point71°
Sun, 2579° / 77°0.9
79 °
Islamorada, Sunday, 25 October
Rain. High 79°, low 77°.
Pressure29.94 inHg
Wind30.7 mph NE
Humidity83%
Visibility—
Dew point72°
Mon, 2679° / 78°0.56
79 °
Islamorada, Monday, 26 October
Rain. High 79°, low 78°.
Pressure29.91 inHg
Wind28.9 mph NE
Humidity84%
Visibility—
Dew point73°
Tue, 2780° / 79°0.4
80 °
Islamorada, Tuesday, 27 October
Light rain. High 80°, low 79°.
Pressure29.94 inHg
Wind20.8 mph NE
Humidity82%
Visibility—
Dew point73°
Wed, 2880° / 79°0.04
80 °
Islamorada, Wednesday, 28 October
Light rain. High 80°, low 79°.
Pressure29.88 inHg
Wind9.9 mph W
Humidity73%
Visibility—
Dew point71°
Thu, 2979° / 76°0.04
79 °
Islamorada, Thursday, 29 October
Light rain. High 79°, low 76°.
Pressure29.88 inHg
Wind18.2 mph NE
Humidity77%
Visibility—
Dew point70°
Fri, 3078° / 75°0.19
78 °
Islamorada, Friday, 30 October
Light rain. High 78°, low 75°.
Pressure29.94 inHg
Wind25.7 mph NE
Humidity78%
Visibility—
Dew point69°
Sat, 3179° / 77°1.07
79 °
Islamorada, Saturday, 31 October
Rain. High 79°, low 77°.
Pressure29.91 inHg
Wind32.3 mph E
Humidity83%
Visibility—
Dew point72°
Sun, 0180° / 79°1.07
80 °
Islamorada, Sunday, 1 November
Rain. High 80°, low 79°.
Pressure29.80 inHg
Wind16.8 mph SW
Humidity89%
Visibility—
Dew point75°
Mon, 0279° / 78°0.37
79 °
Islamorada, Monday, 2 November
Rain. High 79°, low 78°.
Pressure29.77 inHg
Wind18.4 mph NW
Humidity88%
Visibility—
Dew point74°
Tue, 0377° / 72°0
77 °
Islamorada, Tuesday, 3 November
Clear. High 77°, low 72°.
Pressure29.91 inHg
Wind14.2 mph NW
Humidity69%
Visibility—
Dew point64°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0479° / 75°0.15
79 °
Islamorada, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high79°
Average low75°
Average precipitation0.15 in
Chance of precipitation50%
Record high83° (2019)
Record low59° (1966)
Thu, 0578° / 74°0.12
78 °
Islamorada, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.12 in
Chance of precipitation33%
Record high82° (2019)
Record low61° (1969)
Fri, 0678° / 74°0.08
78 °
Islamorada, Friday, 6 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.08 in
Chance of precipitation27%
Record high83° (2019)
Record low62° (1969)
Sat, 0778° / 74°0.07
78 °
Islamorada, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.07 in
Chance of precipitation25%
Record high82° (2019)
Record low62° (2010)
Sun, 0878° / 74°0.1
78 °
Islamorada, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.1 in
Chance of precipitation32%
Record high83° (2019)
Record low65° (2012)
Mon, 0978° / 74°0.07
78 °
Islamorada, Monday, 9 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.07 in
Chance of precipitation33%
Record high82° (2019)
Record low66° (2012)
Tue, 1078° / 74°0.06
78 °
Islamorada, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.06 in
Chance of precipitation25%
Record high81° (2023)
Record low61° (1991)
Wed, 1178° / 74°0.05
78 °
Islamorada, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.05 in
Chance of precipitation28%
Record high81° (2020)
Record low58° (2025)
Thu, 1278° / 74°0.06
78 °
Islamorada, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high78°
Average low74°
Average precipitation0.06 in
Chance of precipitation18%
Record high82° (2023)
Record low64° (1977)
Fri, 1377° / 74°0.04
77 °
Islamorada, Friday, 13 November
Climate normal for this date — 60-year average.
Average high77°
Average low74°
Average precipitation0.04 in
Chance of precipitation20%
Record high82° (2018)
Record low58° (1968)
Sat, 1477° / 74°0.07
77 °
Islamorada, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high77°
Average low74°
Average precipitation0.07 in
Chance of precipitation30%
Record high82° (2018)
Record low60° (1975)
Sun, 1577° / 74°0.13
77 °
Islamorada, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high77°
Average low74°
Average precipitation0.13 in
Chance of precipitation28%
Record high82° (2018)
Record low58° (1963)
Mon, 1677° / 73°0.1
77 °
Islamorada, Monday, 16 November
Climate normal for this date — 60-year average.
Average high77°
Average low73°
Average precipitation0.1 in
Chance of precipitation28%
Record high81° (2022)
Record low63° (1969)
Tue, 1777° / 73°0.05
77 °
Islamorada, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high77°
Average low73°
Average precipitation0.05 in
Chance of precipitation23%
Record high80° (2020)
Record low57° (1970)
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 Islamorada, FL 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 Islamorada, FL 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.