Port Saint John, FL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Port Saint John, FL.

1 Currently Active Alert for Port Saint John

Current Conditions — Port Saint John, FL

TITUSVILLE (KTIX)

Partly Cloudy

73.4 F

Humidity:53%
Wind Speed: 5.8 mph
Barometer:30.16 in
Dewpoint:55.4 F
Visibility:7.00 mi
Precip:--
Heat Index:72.9 F
Wind Chill:NA
Apr 22 2026, 08:47 PM EDT
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5-Day Forecast — Port Saint John, FL

Wednesday

High 80 °F
Forecast Missing
Wednesday
Night
Low 64 °F
Mostly Cloudy

Thursday

High 80 °F
Mostly Sunny

Thursday
Night
Low 64 °F
Partly Cloudy

Friday

High 84 °F
Partly Sunny

Friday
Night
Low 66 °F
Partly Cloudy

Saturday

High 86 °F
Partly Sunny

Saturday
Night
Low 66 °F
Partly Cloudy

Sunday

High 87 °F
Chance of Scattered T-storms

Detailed Forecast — Port Saint John, FL

Wednesday
Mostly Clear. High near 80°F. Wind around 8 mph, with gusts as high as 12 mph.
Wednesday Night
Mostly Cloudy. Low around 64°F. Wind 2 to 6 mph, with gusts as high as 9 mph.
Thursday
Mostly Sunny. High near 80°F. Wind 2 to 13 mph, with gusts as high as 17 mph.
Thursday Night
Partly Cloudy. Low around 64°F. Wind 1 to 7 mph, with gusts as high as 10 mph.
Friday
Partly Sunny. High near 84°F. Wind 2 to 10 mph, with gusts as high as 13 mph.
Friday Night
Partly Cloudy. Low around 66°F. Wind 2 to 7 mph, with gusts as high as 10 mph.
Saturday
Partly Sunny. High near 86°F. Wind 2 to 8 mph, with gusts as high as 12 mph.
Saturday Night
Partly Cloudy. Low around 66°F. Wind 3 to 7 mph, with gusts as high as 9 mph.
Sunday
Chance of Scattered Thunderstorms. High near 87°F. Wind 2 to 7 mph, with gusts as high as 9 mph.
Sunday Night
Partly Cloudy. Low around 68°F. Wind 2 to 5 mph, with gusts as high as 6 mph.
Monday
Partly Sunny. High near 86°F. Wind 2 to 9 mph, with gusts as high as 12 mph.
Monday Night
Mostly Clear. Low around 68°F. Wind 2 to 8 mph, with gusts as high as 10 mph.
Tuesday
Partly Sunny. High near 91°F. Wind 2 to 8 mph, with gusts as high as 12 mph.
Tuesday Night
Partly Cloudy. Low around 68°F. Wind 3 to 7 mph, with gusts as high as 10 mph.
FL Radar
Current Radar • FL
Day 1 Outlook • April 23, 2026

Observation History — Port Saint John, FL

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
08:47 PM EDT 5.8 7.00 Partly Cloudy -- 73.4 55.4 53% NA 72.9 30.16 1021.3
07:47 PM EDT 9.2 7.00 Partly Cloudy -- 75.2 55.4 50% NA 74.8 30.15 1021.0
06:47 PM EDT 10.3 G 17.2 7.00 Partly Cloudy -- 77.0 53.6 44% NA 76.5 30.15 1021.0
05:47 PM EDT 10.3 G 17.2 7.00 Partly Cloudy -- 78.8 51.8 39% NA 78.3 30.16 1021.3
04:47 PM EDT SE 13.9 G 19.7 7.00 Partly Cloudy -- 80.6 51.8 37% NA 80.1 30.17 1021.7
03:47 PM EDT SE 10.3 G 18.3 7.00 Partly Cloudy -- 80.6 51.8 37% NA 80.1 30.17 1021.7
02:47 PM EDT 11.4 G 17.2 7.00 Partly Cloudy -- 80.6 53.6 39% NA 80.2 30.21 1023.0
01:47 PM EDT 11.4 7.00 Partly Cloudy -- 82.4 51.8 35% NA 81.1 30.22 1023.4
12:47 PM EDT E 5.8 7.00 Partly Cloudy -- 80.6 50.0 34% NA 80.1 30.25 1024.1
11:47 AM EDT SE 11.4 7.00 Mostly Cloudy -- 80.6 53.6 39% NA 80.2 30.25 1024.4
10:47 AM EDT 11.4 7.00 Partly Cloudy -- 78.8 53.6 42% NA 78.3 30.26 1024.7
09:47 AM EDT SE 9.2 7.00 Partly Cloudy -- 77.0 53.6 44% NA 76.5 30.25 1024.4
08:47 AM EDT E 5.8 7.00 Partly Cloudy -- 75.2 55.4 50% NA 74.8 30.25 1024.4
07:47 AM EDT E 5.8 7.00 Mostly Cloudy -- 66.2 57.2 73% NA NA 30.25 1024.1
06:47 AM EDT E 4.7 7.00 Partly Cloudy -- 69.8 55.4 60% NA NA 30.22 1023.4

Regional Weather Observation

TITUSVILLE (KTIX)

Partly Cloudy
73.4 F

NASA SHUTTLE FCL (KTTS)

Cloudy
69.6 F

CAPE CANAVERAL (KXMR)

Cloudy
NULL F

PATRICK AFB/COCO (KCOF)

Clear
NULL F

SANFORD/ORLANDO (KSFB)

Clear
68.0 F

ORLANDO (KORL)

Clear
69.8 F
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