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 43°
Mostly Clear
▲ 35°  /  ▼ 25°
Wind
9 mph WSW
Humidity
61%
Dew Point
25°
Pressure
29.87 inHg
Visibility
9 mi
UV Index
8.3
Cloud Cover
27%
Sunrise
6:58 AM
Sunset
8:08 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 3305 J/kg) — isolated convective development possible. Sunrise: 6:58AM · Sunset: 8:08PM.

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°
26%
4 PM
34°
25%
5 PM
34°
27%
6 PM
33°
10%
7 PM
32°
10%
8 PM
31°
10%
9 PM
28°
10%
10 PM
28°
8%
11 PM
28°
8%
12 AM
27°
3%
1 AM
27°
3%
2 AM
27°
8%
3 AM
26°
11%
4 AM
26°
11%
5 AM
25°
21%
6 AM
25°
25%
7 AM
26°
25%
8 AM
27°
39%
9 AM
29°
48%
10 AM
31°
48%
11 AM
31°
49%
12 PM
32°
44%
1 PM
33°
44%
2 PM
33°
49%
7-Day Forecast
Today
35° 25°
Mostly Clear with a 26% chance of rain.
Tue
37° 25°
Partly Cloudy with a 61% chance of rain.
Wed
39° 25°
Partly Cloudy with a 61% chance of rain.
Thu
35° 25°
Partly Cloudy with a 74% chance of rain.
Fri
35° 24°
Drizzle, 60% chance.
Sat
33° 24°
Rain, 81% chance.
Sun
33° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 26% 9 mph WSW 61%
4 PM 34° Partly Cloudy 25% 11 mph SW 60%
5 PM 34° Partly Cloudy 27% 11 mph WSW 66%
6 PM 33° Partly Cloudy 10% 10 mph WSW 69%
7 PM 32° Partly Cloudy 10% 9 mph WSW 73%
8 PM 31° Partly Cloudy 10% 7 mph SW 77%
9 PM 28° Partly Cloudy 10% 7 mph SW 81%
10 PM 28° Partly Cloudy 8% 6 mph WSW 85%
11 PM 28° Partly Cloudy 8% 6 mph WSW 84%
12 AM 27° Partly Cloudy 3% 6 mph WSW 83%
1 AM 27° Partly Cloudy 3% 5 mph W 82%
2 AM 27° Partly Cloudy 8% 5 mph W 84%
3 AM 26° Partly Cloudy 11% 5 mph W 86%
4 AM 26° Mostly Clear 11% 4 mph WSW 87%
5 AM 25° Mostly Clear 21% 4 mph WSW 89%
6 AM 25° Mostly Clear 25% 4 mph WSW 90%
7 AM 26° Mostly Clear 25% 5 mph WSW 91%
8 AM 27° Mostly Clear 39% 6 mph W 84%
9 AM 29° Rain 48% 7 mph W 78%
10 AM 31° Rain 48% 8 mph W 72%
11 AM 31° Partly Cloudy 49% 8 mph W 70%
12 PM 32° Partly Cloudy 44% 8 mph W 69%
1 PM 33° Partly Cloudy 44% 8 mph WSW 67%
2 PM 33° Partly Cloudy 49% 8 mph WSW 67%
15-Day Forecast
Today
8/17
Mostly Clear
26%
25°
35°
Tue
8/18
Partly Cloudy
61%
25°
37°
Wed
8/19
Partly Cloudy
61%
25°
39°
Thu
8/20
Partly Cloudy
74%
25°
35°
Fri
8/21
Drizzle
60%
24°
35°
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°
33°
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 33 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
SBCAPE4335 J/kg
MLCAPE3202 J/kg
MUCAPE4335 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-8.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear6 kt
Eff. Shear16 kt
0–1 km SRH-1
0–3 km SRH-8
Eff. SRH-8
Storm Motion202° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT2.32 in
0–3 km LR7.8 °C/km
700–500 LR5.6 °C/km
Total Totals48.6
LCL889 hPa
LFC1012 hPa
EL123 hPa
Freezing Lvl16,427 ft