Merritt Island, FL Weather Forecast | 5 Day

Updated: Wed Sep 10th 2025 2:45 AM EDT

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Merritt Island, FL Weather Forecast - 9-10 - Patchy Rain Nearby

Patchy Rain Nearby

Wed 9-10

Scattered showers with a high of 84°F and a low of 76°F. It will likey rain in the surrounding area, having a 80% chance of a downpour with an estimated 0.16in. Winds will be light at 9mph and gusts of 16.8mph at 6 PM. High humidity with average of 85% is anticipated, the maximum being 92% at 4 AM and 77% being its lowest at 12 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.93inHg at 4 AM with an avg 29.98inHg.

    • HI: 84°F
    • LO: 76°F
    • Rainfall: 80% | est. 0.16in
    • Snowfall: 0%
    • Wind
      8.5 mph
    • Humidity
      85% avg.
    • UV Index
      2.4
    • Air Quality
      Good
    • Sunrise
      07:06 AM
    • Sunset
      07:34 PM
    • Moonrise
      09:25 PM
    • Moonset
      10:05 AM
    • Moon Phase
      Waning Gibbous
Merritt Island, FL Weather Forecast - 9-11 - Partly Cloudy

Partly Cloudy

Thu 9-11

Partly Cloudy with a high of 82°F and a low of 79°F. Wind will be moderate, blowing around 15mph on average and gusts of 29.8mph at 2 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 86% at 4 AM and 70% being its lowest at 11 PM. Barometric pressure is its highest of 30.05inHg at 11 AM, a lowest point of 29.98inHg at 4 AM with an avg 30.01inHg.

    • HI: 82°F
    • LO: 79°F
    • Rainfall: 0% | est. 0in
    • Snowfall: 0%
    • Wind
      14.1 mph
    • Humidity
      79% avg.
    • UV Index
      1.8
    • Air Quality
      Good
    • Sunrise
      07:06 AM
    • Sunset
      07:32 PM
    • Moonrise
      10:06 PM
    • Moonset
      11:14 AM
    • Moon Phase
      Waning Gibbous
Merritt Island, FL Weather Forecast - 9-12 - Partly Cloudy

Partly Cloudy

Fri 9-12

Partly Cloudy with a high of 84°F and a low of 77°F. Wind will be moderate, blowing around 14mph on average and gusts of 18mph at 5 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 79% at 12 AM and 63% being its lowest at 2 PM. Barometric pressure is its highest of 30.04inHg at 11 AM, a lowest point of 29.99inHg at 5 AM with an avg 30.01inHg.

    • HI: 84°F
    • LO: 77°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      74% avg.
    • UV Index
      2
    • Air Quality
      Good
    • Sunrise
      07:07 AM
    • Sunset
      07:31 PM
    • Moonrise
      10:54 PM
    • Moonset
      12:24 PM
    • Moon Phase
      Waning Gibbous
Merritt Island, FL Weather Forecast - 9-13 - Moderate Rain

Moderate Rain

Sat 9-13

Moderate Rain with a high of 82°F and a low of 74°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.69in. Winds will be light at 10mph and gusts of 15.9mph at 2 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 91% at 6 AM and 70% being its lowest at 1 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.91inHg at 5 PM with an avg 29.95inHg.

    • HI: 82°F
    • LO: 74°F
    • Rainfall: 87% | est. 0.69in
    • Snowfall: 0%
    • Wind
      9.4 mph
    • Humidity
      80% avg.
    • UV Index
      1.9
    • Air Quality
      Good
    • Sunrise
      07:07 AM
    • Sunset
      07:30 PM
    • Moonrise
      11:48 PM
    • Moonset
      01:34 PM
    • Moon Phase
      Waning Gibbous
Merritt Island, FL Weather Forecast - 9-14 - Patchy Rain Nearby

Patchy Rain Nearby

Sun 9-14

Scattered showers with a high of 83°F and a low of 73°F. It will likey rain in the surrounding area, having a 89% chance of a downpour with an estimated 0.19in. Wind will be moderate, blowing around 12mph on average and gusts of 16.9mph at 8 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 88% at 7 AM and 66% being its lowest at 12 PM. Barometric pressure is its highest of 29.99inHg at 11 PM, a lowest point of 29.9inHg at 5 AM with an avg 29.95inHg.

    • HI: 83°F
    • LO: 73°F
    • Rainfall: 89% | est. 0.19in
    • Snowfall: 0%
    • Wind
      11.9 mph
    • Humidity
      79% avg.
    • UV Index
      0
    • Air Quality
      TBA
    • Sunrise
      07:08 AM
    • Sunset
      07:29 PM
    • Moonrise
      No moonrise
    • Moonset
      02:39 PM
    • Moon Phase
      Last Quarter
Merritt Island, FL Weather Forecast - 9-15 - Patchy Rain Nearby

Patchy Rain Nearby

Mon 9-15

Scattered showers with a high of 86°F and a low of 75°F. It will likey rain in the surrounding area, having a 83% chance of a downpour with an estimated 0.03in. Wind will be moderate, blowing around 14mph on average and gusts of 16.6mph at 8 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 83% at 11 PM and 50% being its lowest at 1 PM. Barometric pressure is its highest of 30.04inHg at 11 PM, a lowest point of 29.96inHg at 5 AM with an avg 30inHg.

    • HI: 86°F
    • LO: 75°F
    • Rainfall: 83% | est. 0.03in
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      68% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      07:08 AM
    • Sunset
      07:28 PM
    • Moonrise
      12:49 AM
    • Moonset
      03:38 PM
    • Moon Phase
      Waning Crescent