Heat Advisory — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA 7:00 PM Extreme Heat Warning — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA 7:00 PM

Gainesville, Florida

Last updated: 2:59 PM CDT  ·  Refresh
34°C
Feels like 42°
Mostly Clear
▲ 35°  /  ▼ 26°
Wind
10 mph WSW
Humidity
60%
Dew Point
24°
Pressure
29.87 inHg
Visibility
8 mi
UV Index
8.4
Cloud Cover
23%
Sunrise
6:58 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gainesville is currently mostly clear at 34°C. Precipitation is likely — peak probability 61% around 3 PM. Atmospheric instability is elevated (CAPE up to 3259 J/kg) — isolated convective development possible. Sunrise: 6:58AM · Sunset: 8:07PM.

Alerts

Heat Advisory
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA
Expires 7:00 PM
Extreme Heat Warning
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Echols, GA
Expires 7:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
28%
4 PM
34°
35%
5 PM
35°
35%
6 PM
34°
18%
7 PM
33°
18%
8 PM
32°
18%
9 PM
29°
10%
10 PM
28°
10%
11 PM
28°
10%
12 AM
28°
10%
1 AM
27°
5%
2 AM
27°
11%
3 AM
27°
11%
4 AM
27°
21%
5 AM
26°
25%
6 AM
26°
31%
7 AM
26°
31%
8 AM
27°
39%
9 AM
29°
43%
10 AM
31°
43%
11 AM
31°
43%
12 PM
32°
44%
1 PM
33°
44%
2 PM
33°
49%
7-Day Forecast
Today
35° 26°
Mostly Clear with a 28% chance of rain.
Tue
37° 26°
Partly Cloudy with a 61% chance of rain.
Wed
39° 25°
Mostly Cloudy with a 61% chance of rain.
Thu
35° 25°
Partly Cloudy with a 60% chance of rain.
Fri
36° 23°
Drizzle, 60% chance.
Sat
33° 24°
Rain, 81% chance.
Sun
33° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 28% 10 mph WSW 60%
4 PM 34° Partly Cloudy 35% 12 mph SW 58%
5 PM 35° Partly Cloudy 35% 10 mph WSW 64%
6 PM 34° Partly Cloudy 18% 10 mph WSW 67%
7 PM 33° Partly Cloudy 18% 9 mph WSW 70%
8 PM 32° Partly Cloudy 18% 8 mph WSW 75%
9 PM 29° Partly Cloudy 10% 7 mph WSW 79%
10 PM 28° Partly Cloudy 10% 7 mph WSW 83%
11 PM 28° Partly Cloudy 10% 6 mph WSW 82%
12 AM 28° Partly Cloudy 10% 6 mph WSW 81%
1 AM 27° Partly Cloudy 5% 6 mph W 80%
2 AM 27° Partly Cloudy 11% 6 mph W 82%
3 AM 27° Partly Cloudy 11% 5 mph WSW 84%
4 AM 27° Mostly Clear 21% 5 mph WSW 86%
5 AM 26° Mostly Clear 25% 5 mph WSW 87%
6 AM 26° Mostly Clear 31% 5 mph WSW 88%
7 AM 26° Mostly Clear 31% 5 mph WSW 88%
8 AM 27° Mostly Clear 39% 6 mph W 82%
9 AM 29° Partly Cloudy 43% 7 mph W 77%
10 AM 31° Partly Cloudy 43% 8 mph W 72%
11 AM 31° Partly Cloudy 43% 8 mph W 69%
12 PM 32° Partly Cloudy 44% 8 mph WSW 67%
1 PM 33° Partly Cloudy 44% 8 mph WSW 65%
2 PM 33° Partly Cloudy 49% 8 mph WSW 65%
15-Day Forecast
Today
8/17
Mostly Clear
28%
26°
35°
Tue
8/18
Partly Cloudy
61%
26°
37°
Wed
8/19
Mostly Cloudy
61%
25°
39°
Thu
8/20
Partly Cloudy
60%
25°
35°
Fri
8/21
Drizzle
60%
23°
36°
Sat
8/22
Rain
81%
24°
33°
Sun
8/23
Drizzle
60%
22°
33°
Mon
8/24
Drizzle
60%
23°
33°
Tue
8/25
Drizzle
60%
24°
34°
Wed
8/26
Drizzle
60%
24°
34°
Thu
8/27
Drizzle
60%
24°
34°
Fri
8/28
Drizzle
60%
24°
34°
Sat
8/29
Drizzle
60%
24°
34°
Sun
8/30
Drizzle
60%
23°
33°
Mon
8/31
Drizzle
60%
23°
33°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.7 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 52 Moderate 27 52
Wed 52 Moderate 29 52
Thu 52 Moderate 34 52
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Aug 17, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3782 J/kg
MLCAPE3095 J/kg
MUCAPE3782 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-7.8
Kinematics
0–6 km Shear8 kt
0–1 km Shear6 kt
Eff. Shear17 kt
0–1 km SRH1
0–3 km SRH-7
Eff. SRH-7
Storm Motion205° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT2.32 in
0–3 km LR7.7 °C/km
700–500 LR5.6 °C/km
Total Totals48.6
LCL882 hPa
LFC1011 hPa
EL126 hPa
Freezing Lvl16,421 ft