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Official · NWS

Heat Advisory

until 6:00 am

Heat Advisory issued October 3 at 1:44AM PDT until October 6 at 11:00PM PDT by NWS Hanford CA

Full text

* WHAT...High temperatures up to 103 degrees expected with the warmest temperatures will be located in the southern San Joaquin Valley. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest. * WHERE...San Joaquin Valley and Sierra Nevada foothills. * WHEN...From 11 AM this morning to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to major risk of heat-related illnesses for much of the population, especially those without effective cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra

Computed

Extreme heat

Sat

Feels-like high near 35°C. Limit exertion and check on people who live alone.

Computed

Extreme heat

Sun

Feels-like high near 37°C. Limit exertion and check on people who live alone.

Computed

Extreme heat

Mon

Feels-like high near 36°C. Limit exertion and check on people who live alone.

Fresno Hourly Weather

California 3:55 am local updated now

Clear sky

68°

Clear sky

Feels like 68°

100° 66° today's high / low
100

Perfect

Outdoor comfort right now

It is 68°F and clear sky in Fresno. Nothing wet on the radar for the next 24 hours. Tomorrow: clear sky, high 102°F.

  • Pressure rising slowly 29.90 inHg
  • Wind 1 mph ENE
  • Humidity 70%
  • Cloud 0%
  • UV peak 7
  • Rain chance 1%

Next 48 hours

Scroll sideways — or pick a day below.

Now

Clear sky

1

4am

Clear sky

2

5am

Clear sky

2

6am

Clear sky

3

7am

Clear sky

3

8am

Clear sky

3

9am

Clear sky

3

10am

Clear sky

2

11am

Clear sky

2

12pm

Clear sky

2

1pm

Clear sky

3

2pm

Clear sky

4

3pm

Clear sky

5

4pm

Clear sky

5

5pm

Clear sky

5

6pm

Clear sky

5

7pm

Clear sky

1%

4

8pm

Clear sky

1%

5

9pm

Clear sky

1%

4

10pm

Clear sky

1%

3

11pm

Clear sky

3

12am

Sun

Clear sky

2

1am

Clear sky

2

2am

Clear sky

2

3am

Clear sky

2

4am

Clear sky

2

5am

Clear sky

3

6am

Clear sky

3

7am

Clear sky

2

8am

Clear sky

3

9am

Clear sky

3

10am

Clear sky

3

11am

Clear sky

3

12pm

Clear sky

3

1pm

Clear sky

4

2pm

Clear sky

4

3pm

Clear sky

4

4pm

Clear sky

4

5pm

Clear sky

4

6pm

Clear sky

4

7pm

Clear sky

4

8pm

Clear sky

4

9pm

Clear sky

4

10pm

Clear sky

5

11pm

Clear sky

5

12am

Mon

Clear sky

4

1am

Clear sky

3

2am

Clear sky

3

Conditions in detail

  • Feels like

    68°

    About what it looks like

  • Dew point

    58°

    Comfortable

  • Wind

    1 mph

    Gusting 2 mph from ENE

  • Pressure

    29.88 inHg

    Rising slowly

  • Visibility

    9.9 mi

    Clear

  • UV index

    0

    Peaks at 7 today

  • Cloud cover

    0%

    —

  • Precipitation today

    0.00"

    None expected

Air quality

US AQI

58

Moderate

  • PM2.5 29 µg/m³
  • PM10 31 µg/m³
  • Ozone 13 µg/m³
  • NO₂ 24 µg/m³

Hour-by-hour forecast for Fresno

Every hour for the next 48 hours, local time.

Time Conditions Temp Feels Chance Amount Wind Humidity
Saturday Oct 3
3am Clear sky Clear sky 69° 69° 0% — 1 mph 68%
4am Clear sky Clear sky 69° 69° 0% — 2 mph 59%
5am Clear sky Clear sky 67° 67° 0% — 2 mph 60%
6am Clear sky Clear sky 66° 66° 0% — 3 mph 61%
7am Clear sky Clear sky 66° 66° 0% — 3 mph 61%
8am Clear sky Clear sky 68° 68° 0% — 3 mph 58%
9am Clear sky Clear sky 73° 73° 0% — 3 mph 50%
10am Clear sky Clear sky 79° 79° 0% — 2 mph 42%
11am Clear sky Clear sky 84° 83° 0% — 2 mph 36%
12pm Clear sky Clear sky 89° 86° 0% — 2 mph 31%
1pm Clear sky Clear sky 92° 90° 0% — 3 mph 26%
2pm Clear sky Clear sky 96° 93° 0% — 4 mph 23%
3pm Clear sky Clear sky 98° 95° 0% — 5 mph 20%
4pm Clear sky Clear sky 99° 95° 0% — 5 mph 18%
5pm Clear sky Clear sky 100° 96° 0% — 5 mph 18%
6pm Clear sky Clear sky 97° 93° 0% — 5 mph 20%
7pm Clear sky Clear sky 93° 89° 1% — 4 mph 23%
8pm Clear sky Clear sky 89° 86° 1% — 5 mph 26%
9pm Clear sky Clear sky 86° 83° 1% — 4 mph 29%
10pm Clear sky Clear sky 83° 81° 1% — 3 mph 32%
11pm Clear sky Clear sky 81° 80° 0% — 3 mph 35%
Sunday Oct 4
12am Clear sky Clear sky 78° 78° 0% — 2 mph 37%
1am Clear sky Clear sky 76° 76° 0% — 2 mph 39%
2am Clear sky Clear sky 74° 74° 0% — 2 mph 41%
3am Clear sky Clear sky 73° 73° 0% — 2 mph 43%
4am Clear sky Clear sky 71° 71° 0% — 2 mph 45%
5am Clear sky Clear sky 70° 70° 0% — 3 mph 46%
6am Clear sky Clear sky 70° 70° 0% — 3 mph 47%
7am Clear sky Clear sky 69° 69° 0% — 2 mph 46%
8am Clear sky Clear sky 71° 71° 0% — 3 mph 44%
9am Clear sky Clear sky 76° 76° 0% — 3 mph 39%
10am Clear sky Clear sky 83° 81° 0% — 3 mph 33%
11am Clear sky Clear sky 89° 85° 0% — 3 mph 27%
12pm Clear sky Clear sky 93° 90° 0% — 3 mph 24%
1pm Clear sky Clear sky 97° 94° 0% — 4 mph 21%
2pm Clear sky Clear sky 100° 96° 0% — 4 mph 19%
3pm Clear sky Clear sky 102° 98° 0% — 4 mph 17%
4pm Clear sky Clear sky 102° 98° 0% — 4 mph 16%
5pm Clear sky Clear sky 102° 98° 0% — 4 mph 17%
6pm Clear sky Clear sky 99° 95° 0% — 4 mph 18%
7pm Clear sky Clear sky 95° 91° 0% — 4 mph 21%
8pm Clear sky Clear sky 92° 88° 0% — 4 mph 24%
9pm Clear sky Clear sky 88° 85° 0% — 4 mph 27%
10pm Clear sky Clear sky 85° 82° 0% — 5 mph 30%
11pm Clear sky Clear sky 82° 81° 0% — 5 mph 33%
Monday Oct 5
12am Clear sky Clear sky 80° 80° 0% — 4 mph 36%
1am Clear sky Clear sky 78° 78° 0% — 3 mph 38%
2am Clear sky Clear sky 76° 76° 0% — 3 mph 40%

About this Fresno forecast

Updated 2026-10-03 10:55 UTC, and refreshed automatically every few minutes. Forecast data is provided by Visual Crossing; radar frames from RainViewer; the 20-year normals and records from the ERA5 reanalysis archive. No national weather service publishes point alerts here, so only computed watches are shown.

Watches labelled computed are worked out on this site from forecast thresholds and are not official warnings — always defer to your national weather service. Need help reading a number? See the sourced weather guide.

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