Weather in United States of America - today, tomorrow and 14-day forecast

Right now temperatures across United States of America range from 25° to 39°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.

Weather in United States of America's cities today

☁️Phoenix 39°💧 0.8 mm 🌧️San Antonio 37°💧 1.4 mm 🌧️Dallas 36°💧 0.1 mm ☀️Oklahoma City 35°💧 0.3 mm 🌧️Nashville 34°💧 0.4 mm 🌧️Jacksonville 33°💧 0.2 mm 🌧️Houston 33°💧 0.1 mm ☀️Los Angeles 29°no rain 🌧️New York 26°💧 0.3 mm 🌧️Washington 25°💧 3.1 mm

Weather map - today's temperatures

Pill colour shows today's daytime temperature. Click a city for its full 14-day forecast.

Next days in United States of America

today🌧️ 34°💧 0.3 mm

Sun🌧️ 33°💧 1.9 mm

Mon🌧️ 34°💧 1.1 mm

Tue🌧️ 35°💧 0.9 mm

Wed☀️ 35°💧 0.6 mm

Thu🌧️ 35°💧 0.9 mm

Fri🌧️ 33°💧 0.8 mm

Sat🌤️ 31°💧 2.4 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Thursday 10 Sept in United States of America, the forecast high is 35°C. Typical daytime temperatures at this time of year range from 30°C to 33°C, so it will be exceptionally warm. It is warmer than 95% of similar days.

Saturday 5 Sept

34°Cwarmer than usual

usually 30°C–34°C

warmer than 76% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Sunday 6 Sept

33°Cnear normal

usually 30°C–34°C

night: exceptionally warm rain: more rain than usual wind: typical

Monday 7 Sept

34°Cwarmer than usual

usually 30°C–34°C

warmer than 83% of similar days

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Tuesday 8 Sept

35°Cexceptionally warm

usually 30°C–33°C

warmer than 92% of similar days

night: exceptionally warm rain: more rain than usual wind: typical

Wednesday 9 Sept

35°Cexceptionally warm

usually 30°C–33°C

warmer than 93% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Thursday 10 Sept

35°Cexceptionally warm

usually 30°C–33°C

warmer than 95% of similar days

night: exceptionally warm rain: more rain than usual wind: typical

Friday 11 Sept

33°Cwarmer than usual

usually 29°C–33°C

warmer than 83% of similar days

night: exceptionally warm rain: more rain than usual wind: stronger than usual

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 32°C by day. The coolest year was 2017 (29°C) and the warmest was 2023 (36°C). The current forecast averages 34°C - higher than in 96% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - United States of America

Heat45 bulletins · in effect until Monday · in effect now

Areas incl.: Atchison, Miami, Linn, Doniphan, Leavenworth, Wyandotte

High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.

Flood7 bulletins · in effect today

Areas incl.: Logan, OH, Davison, SD, Hanson, SD, Hutchinson, SD, South Central Mountains, Hardin, TX

Risk of flooding and surges. Do not drive onto flooded roads and follow local warnings.

Thunderstorms4 bulletins · in effect today

Areas incl.: Braxton, WV, Calhoun, WV, Gilmer, WV, Jackson, WV, Ritchie, WV, Roane, WV

Lightning, wind gusts, hail and torrential rain possible. Avoid open spaces and tall trees.

Other hazards14 bulletins · in effect until Wednesday · in effect now

Areas incl.: Roane, Wirt, Calhoun, Ritchie, Gilmer, Scott

The national weather service is warning of dangerous conditions. Follow local bulletins.

Show 1 more warning

Fog3 bulletins · in effect today · in effect now

Areas incl.: Rice, Goodhue, Steele, Conecuh, Escambia, Covington

Reduced visibility, especially on the roads. Take care and slow down.

Source: national weather service via the WMO Severe Weather Information Centre, as of 2026-09-05 11:08:09 UTC. 73 active bulletins in total. See alerts worldwide →

14-day forecast - United States of America

United States of America - 14-day weather forecast infographic

United States of America 30 & 45-day weather - long-range outlook

Next 15 days · forecast

33°

around 28° at night · days with rain: 8

Weeks 3-4 · avg for September

31°

around 21° at night · rain chance 20%

Weeks 5-7 · avg for October

28°

around 17° at night · rain chance 22%

The 30 & 45-day outlook for United States of America: the next 15 days are a numerical forecast updated daily - on average 33° by day and 28° at night. Further out we rely on multi-year climate averages: around 31° in September, and about 28° in October. Forecasts beyond two weeks are indicative only.

Today vs the next days - United States of America cities

City	Today	+3 days	+7 days	Rain today
☁️ Phoenix	39℃	37℃	30℃	0.8 mm
🌧️ San Antonio	37℃	37℃	26℃	1.4 mm
🌧️ Dallas	36℃	37℃	36℃	0.1 mm
☀️ Oklahoma City	35℃	39℃	37℃	0.3 mm
🌧️ Nashville	34℃	33℃	34℃	0.4 mm
🌧️ Jacksonville	33℃	34℃	32℃	0.2 mm
🌧️ Houston	33℃	36℃	35℃	0.1 mm
☀️ Los Angeles	29℃	30℃	21℃	-
🌧️ New York	26℃	25℃	20℃	0.3 mm
🌧️ Washington	25℃	30℃	26℃	3.1 mm

Day-by-day forecast for United States of America

Saturday5 September 2026

🌧️34°light rain

night 27° · evening 31° · rain 0.31 mm · humidity 38% · wind 5 m/s · clouds 15.5%

Sunday6 September 2026

🌧️33°light rain

night 29° · evening 32° · rain 1.9449999999999998 mm · humidity 43.5% · wind 5 m/s · clouds 27%

Monday7 September 2026

🌧️34°moderate rain

night 29° · evening 32° · rain 1.07 mm · humidity 36.5% · wind 5 m/s · clouds 16.5%

Tuesday8 September 2026

🌧️35°light rain

night 29° · evening 31° · rain 0.91 mm · humidity 35% · wind 4 m/s · clouds 34.5%

Wednesday9 September 2026

☀️35°clear sky

night 28° · evening 31° · rain 0.615 mm · humidity 35% · wind 5 m/s · clouds 51%

Thursday10 September 2026

🌧️35°moderate rain

night 27° · evening 32° · rain 0.885 mm · humidity 36.5% · wind 5 m/s · clouds 25%

Friday11 September 2026

🌧️33°light rain

night 28° · evening 32° · rain 0.78 mm · humidity 40% · wind 5 m/s · clouds 43%

Saturday12 September 2026

🌤️31°a few clouds

night 27° · evening 30° · rain 2.4450000000000003 mm · humidity 38% · wind 5 m/s · clouds 69.5%

Sunday13 September 2026

🌤️31°scattered clouds

night 27° · evening 30° · rain 0.36 mm · humidity 46% · wind 5 m/s · clouds 63%

Monday14 September 2026

🌤️32°a few clouds

night 28° · evening 30° · rain 1.395 mm · humidity 41% · wind 5 m/s · clouds 46.5%

Tuesday15 September 2026

🌧️33°light rain

night 28° · evening 30° · rain 1.17 mm · humidity 44.5% · wind 5 m/s · clouds 43%

Wednesday16 September 2026

🌤️33°scattered clouds

night 27° · evening 30° · rain 2.685 mm · humidity 41% · wind 5 m/s · clouds 32%

Thursday17 September 2026

🌧️33°light rain

night 28° · evening 30° · rain 2.22 mm · humidity 43% · wind 5 m/s · clouds 79.5%

Friday18 September 2026

☀️32°clear sky

night 26° · evening 27° · rain 0.27 mm · humidity 31.5% · wind 6 m/s · clouds 29%

Saturday19 September 2026

☁️32°overcast clouds

night 28° · evening 29° · rain 1.08 mm · humidity 26.5% · wind 5 m/s · clouds 11.5%

Sea temperature - United States of America

Beach	Water today	Water week avg	Waves	How's the water?
New York	24℃	24℃	0.1 m	warm
Los Angeles	23℃	23℃	0.9 m	pleasant

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in United States of America

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Detroit	16.4	16.5	good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 21:00).

United States of America weather through the year

United States of America - annual climate

United States of America weather month by month - when is the best time to go?

January (16°)February (19°)March (22°)April (25°)May (28°)June (33°)July (34°)August (34°)September (31°)October (28°)November (22°)December (17°)

Weather in other countries in North America

U.S. Outlying IslandsSaint Pierre and MiquelonCanadaMexico

Public holidays in United States of America - when are the long weekends?

Next long weekend in United States of America: Labour Day (7 September, Monday) - Saturday–Monday (3 days off).

2026

7 SeptemberMonday

Labour Day

long weekend

11 NovemberWednesday

Veterans Day

26 NovemberThursday

Thanksgiving Day

long weekend + bridge day

25 DecemberFriday

Christmas Day

long weekend

2027

1 JanuaryFriday

New Year's Day

long weekend

18 JanuaryMonday

Martin Luther King, Jr. Day

long weekend

15 FebruaryMonday

Presidents Day

long weekend

31 MayMonday

Memorial Day

long weekend

18 JuneFriday

Juneteenth National Independence Day

long weekend

5 JulyMonday

Independence Day

long weekend

6 SeptemberMonday

Labour Day

long weekend

11 NovemberThursday

Veterans Day

long weekend + bridge day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.

Calendar sources

Nager.Date public holiday database

FAQ - United States of America weather

What is the weather like in United States of America today?

Today it is about 34° during the day and 27° at night, light rain.

How far ahead can I check the forecast for United States of America?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.