TidePlanet

Weather in Palo Alto

14-day forecast · updated today, Wednesday, October 28, at 8:40 pm (PDT)
Now · overcast 55 °F
Feels like
52 °F
Low / high
46 / 69 °F
Rain
0%
Wind
4 mph NW
→ 29.95 inHg · steady

Today in Palo Alto: overcast, 46 °F to 69 °F, with a 0% chance of rain and a light breeze from the northwest (4 mph). Tomorrow, overcast, 48 °F to 69 °F and a 2% chance of rain. The warmest day of the week is Wednesday 28, at 69 °F. Next likely rain: Tuesday 3 (16%).

Measured now at the airport

Palo Alto (KPAO), 2.0 mi away · 1 h ago

Visibility9.9 mi or more
WeatherNothing to note
Temperature57 °F
Wind5 mph from the north-northwest

It's what the airport's weather station measured, not a forecast: on the coast, wind and fog can be different. Airports report every 30 or 60 minutes.

Airport METAR report, via NOAA's Aviation Weather Center (aviationweather.gov). Sources and licenses

Temperatures for the next 14 days

Day by day

Day Sky Low / high Rain Max wind High tides Model
Today · 28 Overcast 46 / 69 °F 0% 8 mph NW 3:16 am · 1:58 pm HRRR
Thu 29 Overcast 48 / 69 °F 2% 7 mph SW 4:17 am · 2:46 pm HRRR + NBM
Fri 30 Overcast 51 / 67 °F 3% 10 mph W 5:23 am · 3:41 pm NBM
Sat 31 Overcast 49 / 65 °F 11% 7 mph W 6:31 am · 4:47 pm NBM
Sun 1 Light drizzle 48 / 66 °F 8% 11 mph NW 6:35 am · 5:03 pm NBM
Mon 2 Overcast 48 / 69 °F 3% 4 mph NE 7:30 am · 6:25 pm NBM
Tue 3 Overcast 51 / 69 °F 16% · 0.05 in 4 mph WSW 8:16 am · 7:45 pm NBM
Wed 4 Overcast 51 / 69 °F 18% · 0.02 in 7 mph WSW 8:56 am · 8:59 pm NBM
Thu 5 Overcast 51 / 67 °F 9% 8 mph WSW 9:31 am · 10:04 pm NBM
Fri 6 Overcast 52 / 66 °F 10% 9 mph W 10:03 am · 11:04 pm NBM
Sat 7 Overcast 52 / 67 °F 10% 7 mph WNW 10:33 am · 11:59 pm NBM
Sun 8 Overcast 52 / 68 °F 14% 6 mph NW 11:02 am NBM + ECMWF
Mon 9 Overcast 56 / 72 °F 8% 2 mph WSW 12:50 am · 11:30 am ECMWF
Tue 10 Overcast 59 / 73 °F 19% 5 mph WNW 1:39 am · 12:00 pm ECMWF

Each hour comes from the best model for this spot: HRRR until Thursday 29 3:00 pm; then NBM until Sunday 8 5:00 pm; then ECMWF until Thursday 12 7:00 am; then GFS.

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky Partly cloudyPartly cloudyOvercastPartly cloudyMainly clearPartly cloudyOvercastOvercast
Temperature 49°47°47°51°66°69°65°55°
Chance of rain 0%0%0%0%0%0%0%0%
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
Wind (mph) 4 SW1 SW3 WSW2 W3 NNE7 NNW5 NW4 NW
Humidity 79%74%83%81%43%41%47%66%
UV 00014200
Model HRRRHRRRHRRRHRRRHRRRHRRRHRRRHRRR

Do the models agree?

Low confidence

They don't agree on rain on Saturday 31: it may change, so check again closer to the day.

What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.

Do the models agree? · High
High (°F) TodayThu 29Fri 30Sat 31Sun 1Mon 2Tue 3
ECMWF 67°69°66°65°64°69°70°
AIFS 66°65°64°62°62°67°64°
GFS 68°71°69°64°70°71°74°
ICON 67°66°67°59°64°73°71°
HRRR 69°69°—————
NBM 69°69°67°65°66°69°69°
Confidence highhighhighhighhighhighhigh
Do the models agree? · Rain
Rain TodayThu 29Fri 30Sat 31Sun 1Mon 2Tue 3
ECMWF 00000.05 in00
AIFS 0000.05 in0.05 in00
GFS 0000.00 in000
ICON 0000.37 in000
HRRR 00—————
NBM 0000000.05 in
Confidence highhighhighlowmediumhighhigh
Do the models agree? · Wind
Wind (mph) TodayThu 29Fri 30Sat 31Sun 1Mon 2Tue 3
ECMWF 717513922819721516212
AIFS 6455843
GFS 79879106107124575
ICON 815611613476133748
HRRR 811711—————
NBM 101458101571111164747
Confidence highhighhighhighhighhighhigh

Chance of rain from the ensemble models

Model TodayThu 29Fri 30Sat 31Sun 1Mon 2Tue 3
ECMWF (51 scenarios) 0%0%4%25%26%0%12%
GFS (GEFS, 31 scenarios) 0%0%0%6%0%0%26%
NBM (NOAA) 0%2%3%11%8%3%16%
Thunderstorm (NBM) 0%0%0%1%0%0%0%

Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.

Outlook

How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.

Next few weeks, compared with normal: a bit warmer and wetter.

Next 6 weeks

When TemperatureTemp. Rain Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8 A bit above +1.6 °F Normal —
Nov 9 – Nov 15Nov 9–Nov 15 Above +3.6 °F Well above +125% 66° / 51°
Nov 16 – Nov 22Nov 16–Nov 22 A bit above +2.0 °F Above +72% 63° / 48°
Nov 23 – Nov 29Nov 23–Nov 29 A bit above +2.3 °F A bit above +22% 61° / 46°
Nov 30 – Dec 6Nov 30–Dec 6 A bit above +2.0 °F A bit above +24% 60° / 45°

Coming months

When TemperatureTemp. Rain
November Above +3.4 °F Above +54%
December Above +3.6 °F A bit above +42%
January Above +3.2 °F Well above +123%
February A bit above +2.0 °F Above +86%
March A bit above +2.0 °F Above +93%

Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give. The long-range sea temperature isn't usable at this spot (the model's grid cell falls on land).

Palo Alto climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Palo Alto is from May to September: highs of 73 °F to 79 °F, barely 1 rainy day a month and 10 hours of sunshine a day.

Month High Low Rain Rainy daysDays Sun (h/day) Water Waves
JanuaryJan 60° 42° 3.31 in 9 3.3 54° 6.2 ft
FebruaryFeb 63° 44° 2.99 in 9 4.1 54° 6.1 ft
MarchMar 66° 46° 2.50 in 8 6.7 54° 5.8 ft
AprilApr 69° 47° 1.36 in 5 8.0 54° 5.7 ft
MayMay 73° 51° 0.41 in 2 9.1 54° 5.1 ft
JuneJun 77° 54° 0.13 in 1 11.2 55° 5.0 ft
JulyJul 78° 56° 0.03 in 0 11.0 57° 4.4 ft
AugustAug 79° 57° 0.03 in 0 10.3 59° 3.8 ft
SeptemberSep 79° 55° 0.09 in 0 9.3 59° 4.3 ft
OctoberOct 74° 50° 0.94 in 2 7.4 58° 4.8 ft
NovemberNov 66° 45° 1.93 in 6 5.4 56° 5.3 ft
DecemberDec 60° 41° 3.07 in 9 3.4 55° 6.1 ft
Month Water Waves
Jan 54° 6.2 ft
Feb 54° 6.1 ft
Mar 54° 5.8 ft
Apr 54° 5.7 ft
May 54° 5.1 ft
Jun 55° 5.0 ft
Jul 57° 4.4 ft
Aug 59° 3.8 ft
Sep 59° 4.3 ft
Oct 58° 4.8 ft
Nov 56° 5.3 ft
Dec 55° 6.1 ft

Days: rainy days in the month. Sun: hours a day.

A normal year brings 16.80 in of rain on about 51 days and about 2,700 hours of sunshine.

1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses

Temperature

Now55 °Ffeels like 52 °F
Tomorrow48 / 69 °F

It's 55 °F now (feels like 52 °F). Today, 46 °F to 69 °F; tomorrow, 48 °F to 69 °F.

Chance of rain

  • Today 0%
  • Thu 29 2%
  • Fri 30 3%
  • Sat 31 11%
  • Sun 1 8%
  • Mon 2 3%
  • Tue 3 16% 0.05 in

Today the chance of rain reaches 0%. The next day with likely rain is Tuesday 3: 16% and 0.05 in.

Recent rain: last 24 hours, 0.00 in; last 3 days, 0.00 in; last 7 days, 0.52 in.

Humidity and dew point

Humidity66%
Dew point44 °F

Humidity is 66% now and the dew point is 44 °F.

The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.

Visibility and fog

Now16 migood
Clouds100%

Visibility is good now (16 mi). No fog expected today.

The model gives visibility up to about 15 mi: beyond that, the horizon is clear.

UV index

Now0
Today's peak4moderate

Thu 29: 3 · Fri 30: 4 · Sat 31: 2

IndexLevelWhat to do
0–2lowNo special protection needed.
3–5moderateHat, sunglasses and sunscreen around midday.
6–7highSunscreen, hat and shade between 12 and 4 pm.
8–10very highAvoid the midday sun; reflection off the water adds to it.
11+extremeAvoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.

Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.

Barometric pressure

  • ↗ Rising Anglers say fish bite less for a while
  • → Steady · now Anglers expect normal activity
  • ↘ Falling Anglers say fish feed more before the change

Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: −0.04 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityModerate · 61
Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

DaySkyLow / highRainMax wind
Tue 27 Partly cloudy51 / 65 °F08 mph W
Mon 26 Overcast53 / 67 °F09 mph W
Sun 25 Overcast53 / 69 °F06 mph W
Sat 24 Clear sky53 / 69 °F05 mph W
Fri 23 Overcast56 / 67 °F09 mph WNW
Thu 22 Light rain56 / 63 °F0.52 in7 mph WSW
Wed 21 Light drizzle57 / 64 °F0.05 in7 mph SSW
Show all 30 days
DaySkyLow / highRainMax wind
Tue 20 Light drizzle52 / 67 °F0.02 in4 mph WSW
Mon 19 Overcast54 / 66 °F09 mph W
Sun 18 Partly cloudy54 / 71 °F08 mph W
Sat 17 Clear sky62 / 85 °F08 mph WNW
Fri 16 Clear sky61 / 87 °F05 mph WNW
Thu 15 Clear sky55 / 83 °F07 mph W
Wed 14 Clear sky52 / 75 °F06 mph WNW
Tue 13 Mainly clear51 / 71 °F09 mph W
Mon 12 Clear sky49 / 67 °F07 mph WNW
Sun 11 Overcast51 / 66 °F011 mph SW
Sat 10 Partly cloudy54 / 65 °F011 mph WSW
Fri 9 Overcast57 / 72 °F07 mph W
Thu 8 Partly cloudy59 / 83 °F08 mph WNW
Wed 7 Clear sky61 / 85 °F06 mph WNW
Tue 6 Clear sky60 / 87 °F06 mph WNW
Mon 5 Clear sky62 / 84 °F06 mph NW
Sun 4 Partly cloudy65 / 90 °F07 mph WNW
Sat 3 Mainly clear61 / 92 °F05 mph WNW
Fri 2 Overcast58 / 81 °F03 mph NW
Thu 1 Overcast56 / 78 °F06 mph NW
Wed 30 Mainly clear55 / 81 °F07 mph WNW
Tue 29 Partly cloudy53 / 82 °F07 mph W
Mon 28 Overcast54 / 73 °F08 mph WSW

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the weather in Palo AltoQuestions

What's the weather like today in Palo Alto?

Overcast, from 46 °F to 69 °F, with a light breeze from the northwest (4 mph) and a 0% chance of rain.

Will it rain tomorrow in Palo Alto?

On Thursday 29 the chance of rain is 2% (0.00 in): overcast.

How warm will it be this week?

Between a low of 46 °F and a high of 69 °F; the warmest day, Wednesday 28.

What's the UV index today?

It reaches 4 (moderate). Hat, sunglasses and sunscreen around midday.

Is the pressure rising or falling?

It's 29.95 inHg and steady: −0.04 inHg over the last 24 hours.

When is the best time to visit Palo Alto?

The best time to visit Palo Alto is from May to September: highs of 73 °F to 79 °F, barely 1 rainy day a month and 10 hours of sunshine a day.

What is the weather like in Palo Alto in October?

In October, Palo Alto normally sees highs of 74 °F and lows of 50 °F, with about 2 rainy days (0.94 in for the month) and 7 hours of sunshine a day. The sea is around 58 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Palo Alto?

The warmest is August, with average highs of 79 °F, and the coldest December, with lows of 41 °F. The wettest is January (3.31 in) and the driest, August.

More about Palo Alto today

Weather near Palo Alto

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 7.1 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 8:40 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

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