PORT SAINT JOHN, FL 32927 Weather Forecast & Current Conditions

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NASA SHTTLE FCLTY, FL
Current Weather

12:55 PM EDT JUN 19, 2026
Few Clouds
93°F
Feels Like: 105°F
Dewpoint: 75°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: SSW at 13 mph, gusts to 17
Pressure: 30.00 inches
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PORT SAINT JOHN, FL 32927
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy. A chance of showers and a slight chance of afternoon thunderstorms. Windy. Highs in the upper 80s. South winds 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Chance of rain 50 percent.
TONIGHT
Partly cloudy. A slight chance of showers through late evening. Lows in the lower 70s. South winds 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of rain 20 percent.
WEDNESDAY
Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of evening showers and thunderstorms, then a slight chance of showers after midnight. Lows around 70. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
THURSDAY
Partly cloudy. Showers likely through late morning, then showers likely and scattered afternoon thunderstorms. Breezy. Highs in the lower 80s. Southwest winds 15 to 20 mph. Chance of rain 60 percent.
THURSDAY NIGHT
Partly cloudy. A slight chance of evening showers and thunderstorms, then a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent.
FRIDAY
Partly cloudy with a slight chance of showers. Highs in the mid 70s. Chance of rain 20 percent.
FRIDAY NIGHT
Partly cloudy. Breezy. Lows in the upper 50s.
SATURDAY
Mostly sunny. Breezy. Highs in the lower 70s.
SATURDAY NIGHT
Clear, breezy. Lows in the mid 50s.
SUNDAY
Sunny. Highs in the lower 70s.
SUNDAY NIGHT
Clear. Lows in the upper 50s.
MONDAY
Sunny. Highs in the upper 70s.

Visible Weather Satellite
PORT SAINT JOHN, FL 32927
Infrared Weather Satellite
PORT SAINT JOHN, FL 32927
NEXRAD Weather Radar
PORT SAINT JOHN, FL 32927

NASA SHTTLE FCLTY, FL 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/19/2026
Friday
19 JUN 2026
PORT SAINT JOHN, FL 32927 weather forecast Day 1, 12 hours 2 PM 91° 103° Mostly Cloudy 85%
RAIN
***
0% Thunder
( 93% severe)
SW   7 62% 76°
High 92° PORT SAINT JOHN, FL 32927 weather forecast Day 1, 15 hours 5 PM 88° 100° Mostly Cloudy S   6 70% 77°
Mostly Cloudy

Rain Likely

PORT SAINT JOHN, FL 32927 weather forecast Day 1, 18 hours 8 PM 81° 87° Mostly Cloudy 25%
RAIN
.01–.1 in
0% Thunder
( 39% severe)
S   3 85% 76°
PORT SAINT JOHN, FL 32927 weather forecast Day 1, 21 hours 11 PM 80° 85° Mostly Cloudy SSW   2 85% 75°
Saturday
20 JUN 2026
PORT SAINT JOHN, FL 32927 weather forecast Day 2, 0 hours 2 AM 79° 83° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 22% severe)
  CALM 88% 75°
Low 77° PORT SAINT JOHN, FL 32927 weather forecast Day 2, 3 hours 5 AM 77° 78° Mostly Cloudy SW   2 90% 74°
High 91° PORT SAINT JOHN, FL 32927 weather forecast Day 2, 6 hours 8 AM 80° 85° Partly Cloudy 33%
RAIN
***
0% Thunder
( 34% severe)
WSW   3 88% 76°

Mostly Cloudy

Rain Likely

PORT SAINT JOHN, FL 32927 weather forecast Day 2, 9 hours 11 AM 86° 96° Partly Cloudy W   5 72% 76°
PORT SAINT JOHN, FL 32927 weather forecast Day 2, 12 hours 2 PM 88° 98° Mostly Cloudy 79%
RAIN
***
0% Thunder
( 90% severe)
NW   6 66% 75°
PORT SAINT JOHN, FL 32927 weather forecast Day 2, 15 hours 5 PM 84° 93° Mostly Cloudy SSW   6 77% 76°
PORT SAINT JOHN, FL 32927 weather forecast Day 2, 18 hours 8 PM 79° 83° Mostly Cloudy 20%
RAIN
.25–.5 in
0% Thunder
( 36% severe)
SSW   1 88% 75°
PORT SAINT JOHN, FL 32927 weather forecast Day 2, 21 hours 11 PM 77° 78° Mostly Cloudy   CALM 94% 75°
Sunday
21 JUN 2026
PORT SAINT JOHN, FL 32927 weather forecast Day 3, 0 hours 2 AM 77° 78° Mostly Cloudy 6%

0% Thunder
( 8% severe)
  CALM 90% 74°
Low 75° PORT SAINT JOHN, FL 32927 weather forecast Day 3, 3 hours 5 AM 76° 76° Partly Cloudy   CALM 90% 73°
High 90° PORT SAINT JOHN, FL 32927 weather forecast Day 3, 6 hours 8 AM 78° 81° Partly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 24% severe)
  CALM 91% 75°

Partly Cloudy

Chance of Rain

PORT SAINT JOHN, FL 32927 weather forecast Day 3, 9 hours 11 AM 85° 93° Partly Cloudy   CALM 72% 75°
PORT SAINT JOHN, FL 32927 weather forecast Day 3, 15 hours 2 PM 87° 97° Partly Cloudy 50%
RAIN
.25–.5 in
0% Thunder
( 54% severe)
NE   5 68% 75°
PORT SAINT JOHN, FL 32927 weather forecast Day 3, 18 hours 5 PM 85° 95° Partly Cloudy E   6 75% 76°
PORT SAINT JOHN, FL 32927 weather forecast Day 3, 21 hours 8 PM 81° 87° Partly Cloudy       CALM 82% 75°

NASA SHTTLE FCLTY, FL extended weather forecast

Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Friday
26 JUN 2026
Low 76° Low 74° Low 76° Low 73° Low 75°
High 91° High 92° High 91° High 91° High 90°
PORT SAINT JOHN, FL 32927 weather forecast Day 4 PORT SAINT JOHN, FL 32927 weather forecast Day 5 PORT SAINT JOHN, FL 32927 weather forecast Day 6 PORT SAINT JOHN, FL 32927 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
57% Rain
Partly Cloudy
42% Rain
Partly Cloudy
37% Rain
Overcast
54% Rain
Mostly Cloudy
58% Rain
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