Key Biscayne, FL Hourly Weather Forecast

Sat, Oct 31, 2026

Tonight

Fri 10/30

Low 78°f

16% Precip. / 0 in

Partly cloudy. Slight chance of a rain shower. Low 78F. Winds E at 10 to 20 mph.

Tomorrow

Sat 10/31

High 83°f

50% Precip. / 0.07 in

Cloudy with occasional showers. Warm. High 83F. Winds ENE at 10 to 20 mph. Chance of rain 50%.

Sunrise 7:28 AM

Sunset 6:39 PM

Moonrise -

Moonset 1:13 PM

Waning Gibbous, 68% visible

Hourly Forecast

Now

82°

3AM

81°

4AM

81°

5AM

80°

6AM

79°

7AM

79°

7:28AM

Sunrise

8AM

79°

9AM

30%

80°

10AM

34%

81°

11AM

30%

81°

12PM

82°

1PM

82°

2PM

37%

82°

3PM

40%

82°

4PM

37%

82°

5PM

40%

82°

6PM

51%

81°

6:39PM

Sunset

7PM

51%

80°

8PM

54%

80°

9PM

57%

80°

10PM

46%

80°

11PM

52%

80°

12AM

47%

80°

1AM

49%

80°

1AM

57%

80°

Time	Conditions	Temp.	Feels Like	Precip	Amount	Cloud Cover	Dew Point	Humidity	Wind	Pressure
3:00 am	Partly Cloudy	81°F	88°F	15%	0in	43%	74°F	81%	13 mph E	29.99in
4:00 am	Partly Cloudy	81°F	88°F	16%	0in	47%	74°F	81%	12 mph E	29.98in
5:00 am	Partly Cloudy	80°F	87°F	16%	0in	59%	74°F	83%	12 mph E	29.98in
6:00 am	Partly Cloudy	79°F	85°F	14%	0in	43%	74°F	86%	10 mph E	29.99in
7:00 am	Partly Cloudy	79°F	86°F	14%	0in	46%	74°F	84%	11 mph E	30in
8:00 am	Partly Cloudy	79°F	85°F	14%	0in	37%	74°F	84%	12 mph E	30.02in
9:00 am	Few Showers	80°F	86°F	30%	0in	40%	74°F	83%	12 mph ENE	30.03in
10:00 am	Few Showers	81°F	87°F	34%	0.01in	40%	74°F	80%	14 mph ENE	30.05in
11:00 am	Few Showers	81°F	88°F	30%	0.01in	73%	74°F	78%	14 mph ENE	30.06in
12:00 pm	Mostly Cloudy	82°F	89°F	23%	0in	60%	74°F	76%	14 mph ENE	30.06in
1:00 pm	Mostly Cloudy	82°F	89°F	24%	0in	64%	74°F	76%	15 mph ENE	30.05in
2:00 pm	Showers	82°F	89°F	37%	0.01in	65%	74°F	76%	15 mph ENE	30.03in
3:00 pm	Showers	82°F	89°F	40%	0.01in	57%	74°F	75%	15 mph ENE	30.02in
4:00 pm	Showers	82°F	89°F	37%	0.01in	74%	74°F	77%	16 mph ENE	30.01in
5:00 pm	Showers	82°F	89°F	40%	0.01in	85%	74°F	77%	15 mph ENE	30.01in
6:00 pm	Showers	81°F	88°F	51%	0.02in	78%	74°F	79%	15 mph ENE	30.02in
7:00 pm	Scattered Thunderstorms	80°F	86°F	51%	0.04in	81%	74°F	82%	15 mph ENE	30.03in
8:00 pm	Showers	80°F	86°F	54%	0.02in	70%	74°F	82%	15 mph ENE	30.04in
9:00 pm	Scattered Thunderstorms	80°F	86°F	57%	0.05in	81%	74°F	84%	14 mph ENE	30.06in
10:00 pm	Showers	80°F	86°F	46%	0.01in	73%	74°F	83%	15 mph E	30.07in
11:00 pm	Showers	80°F	86°F	52%	0.02in	79%	74°F	83%	15 mph E	30.07in

Additional Conditions

Pressure 29.99 in
Visibility 10 miles
Clouds Partly Cloudy
Dew Point74°F
Humidity 79%
Rainfall 0.05 in
Snow Depth 0 in

KMIA Station History

Almanac for October 31, 2026

Forecast Average Record
Temperature
High 83°F 81°F 89°F 1959
Low 78°F 72°F 57°F 2012
Rain/Snow Depth
Precipitation 0.4 in 4.4 in -
Snow 0 in - in -

Almanac for November 1, 2026

Forecast Average Record
Temperature
High 81°F 81°F 90°F
Low 77°F 71°F 53°F

Astronomy

Sun Rise Set
Actual Time 7:28 AM 6:39 PM
Civil Twilight 7:04 AM 7:03 PM
Nautical Twilight 6:37 AM 7:30PM
Astronomical Twilight 6:10 AM 7:57 PM

Length of Visible Light 11h 58m
Length of Day 11h 11m
Tomorrow will be 1 minute 14 seconds shorter

Moon - 1:13 PM
Waning Gibbous68% of the Moon is Illuminated

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

Nov 17

Waxing Half First Qtr

Nov 24

Full Moon

Nearby Weather Stations

Loading nearby stations…