FORECAST CITY
Sign in
Shaded-relief map of Monte Grande, Puerto Rico: rivers, roads, the city limits and where the water drains.
PUERTO RICO · CABO ROJO MUNICIPIO

Monte Grande

2,775 people, 80 ft above sea level in Cabo Rojo Municipio.

80 ftElevation, city center
2,775People, 2024 estimate
1 sq miLand area
Sunny 86°
Sunny now Dew point 77° · Calm · high 84°
City of Monte Grande River Interstate 2 miles
Explore the plate Order a print

The Monte Grande plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Monte Grande

NWS forecast and National Blend of Models · updated 5:00 PM AST
RIGHT NOW Rafael Hernandez Airport (TJBQ) · 5:50 PM
Sunny
86° Sunny Feels like 97° · high of 84° near 6 PM
WindCalmno gusts
Humidity75%rising to 90% by morning
Pressure29.96 in →steady
Visibility9 mihazy
CloudsClear
UV index—no forecast
Dew point 77° · Oppressiveabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Showers
Monday, about 9 PMin about 51 hours · 55% chance · showers
LIKELY AMOUNT0–0 inmost likely 0; 1 in 10 over 0
LAST RAIN—none in 31 days
ALERTS & OUTLOOKS
No watches or warnings for Cabo Rojo Municipio
NWS San Juan and the Storm Prediction Center · checked 6:17 PM
SUN & MOON
↑ 6:34 AM5:52 PM ↓
11 h 18 m of daylight, 1 minute less than yesterday
Waxing crescent, 26% lit. Next full moon: Nov. 24.
AIR & POLLEN
59
MODERATEAir quality index · fine particles
No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
partly cloudy night
mostly cloudy night
partly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy night
showers night
showers night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
showers day
TEMPERATURE °F
84°
75°
88°
74°
87°
75°
CHANCE OF RAIN
55% · 0.00 in Monday night 50%
WIND, MPH
9
8
7
6
7
5
5
7
6
5
5
5
7
8
10
12
13
12
11
11
12
12
14
15
HOW IT FEELS · DEW POINT
Oppressive: dew points 70 to 78°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 89° / 72°
SAT Nov. 14 Partly cloudy Partly cloudy
84° 75°
0% rain — SSE 8 A
SUN Nov. 15 Mostly cloudy Mostly cloudy
89° 74°
10% rain — ESE 6 A
MON Nov. 16 Chance of showers Chance of showers
88° 74°
60% rain — ENE 10 A
TUE Nov. 17 Chance of showers Chance of showers
88° 74°
40% rain — ENE 15 A
WED Nov. 18 Storms likely Storms likely
87° 73°
70% rain up to 0.2″ E 8 A
THU Nov. 19 Chance of storms Chance of storms
87° 73°
50% rain — E 6 A
FRI Nov. 20 Chance of showers Chance of showers
87° 73°
40% rain — ENE 5 A
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Monte Grande about 5,000 feet above the ground was over the tropical Atlantic three days ago, and over the Caribbean a day ago, about 900 miles back along its path. Air off the water carries moisture, which is why it feels humid. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

THIS WEEK, THREE YEARS AGO Nov. 14, 2023

The hottest this week has been

94° on Nov. 14, 2023, the hottest reading for this week of the year since 1900. Next is 94° in 2024.

94°
94°
20242023
Source: NOAA RCC-ACIS, the Lajas Substation record since 1900.
MILE2
THE GROUND

What Monte Grande stands on

Monte Grande’s center stands about 80 ft above sea level. Within three miles the land runs from 30 ft to 740 ft, a difference of 710 ft: hilly country. The highest named summit within 15 miles is Pico Santa Ana, about 2,950 ft, 10 miles east-northeast.

Monte Grande, cut in half from west to east

A section west to east, 24 miles through the town center
0 ft1,000 ft2,000 ft MONTE GRANDE80 ftCabo Rojo130 ftPico Santa Ana2,950 ft ← WE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.

MILE5
THE ALMANAC

Monte Grande’s year

1991–2020 normals · records since 1900 · Lajas Substation, 4 mi south-southeast

Monte Grande has a tropical savanna climate. Summer afternoons average 92° in July; winter nights fall to about 62° in January. About 45 inches of rain fall in a normal year.

87°62°87°62°87°63°88°66°90°69°91°70°92°70°92°70°91°70°91°70°89°67°88°64° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY MONTE GRANDE 44.9 in rain a year
Normal high to low, by month Record high to low, by day Rain by month
July, average92° / 70°high / low, the warmest month
January, average87° / 62°high / low, the coldest month
Rain a year44.9 inwettest months: October and September
Hottest on record103°FJuly 10, 1998
Coldest on record44°FJanuary 14, 1992
Wettest day on record12.3 inSeptember 17, 1975
90° days a year197none reach 100°
Climate typeTropical savannaKöppen Aw

AROUND THE RING

1Highs of 90° and upMay 13 to Nov. 11; normal highs reach 90°
2Wettest stretchSeptember through November: 17.6 of the year’s 44.9 inches
NOVEMBER 14 IN THE RECORD

On November 14 Monte Grande normally reaches 89° and falls to 68°. The record high is 94°, in 2023; the record low 60°, in 2005. The most rain on this date, 6.45 in, fell in 2003.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high87°87°87°88°90°91°92°92°91°91°89°88°
Normal low62°62°63°66°69°70°70°70°70°70°67°64°
Rain, inches2.212.292.523.274.422.193.504.875.666.345.642.00
Record high96° (1986)94° (1984)99° (2026)95° (2024)95° (1999)99° (1997)103° (1998)99° (2021)98° (1997)97° (2024)98° (2011)98° (2011)
Record low44° (1992)51° (2005)50° (1951)50° (1953)56° (1974)55° (1986)53° (1994)58° (2011)59° (2019)56° (1996)50° (2018)49° (1996)

Normals 1991–2020 and records since 1900 at Lajas Substation, 4 miles south-southeast. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Monte Grande on the Forecast Network

Neighboring plates

Mayagüez PR · 8 MI 8 miles north Ponce PR · 33 MI 33 miles east Bayamón PR · 66 MI 66 miles east Caguas PR · 72 MI 72 miles east San Juan PR · 73 MI 73 miles east Carolina PR · 78 MI 78 miles east
FORECASTCITY
Map of Monte Grande, Puerto Rico. Explore the plate
PUERTO RICO · CABO ROJO

Monte Grande

2,775 people, 80 ft above sea level in Cabo Rojo Municipio.

80 ftElevation
2,775People
1 sq miLand
Sunny 86°
SunnyDew point 77°
1

Today in Monte Grande

NEXT 15 HOURS
Now partly cloudy night 84° 0%
9p partly cloudy night 81° 0%
12a mostly cloudy night 79° 0%
3a mostly cloudy night 76° 0%
6a mostly cloudy night 75° 0%
9a mostly cloudy day 83° 0%
Showers
NEXT RAINMonday about 9 PM · 55%
→
Sat0%
Partly cloudy Partly cloudy
75
84
A
Sun10%
Mostly cloudy Mostly cloudy
74
89
A
Mon60%
Chance of showers Chance of showers
74
88
A
Tue40%
Chance of showers Chance of showers
74
88
A
Wed70%
Storms likely Storms likely
73
87
A
Thu50%
Chance of storms Chance of storms
73
87
A
Fri40%
Chance of showers Chance of showers
73
87
A
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK, THREE YEARS AGO · NOV. 14, 2023

94°, the hottest this week of the year has been since 1900.

2

What Monte Grande stands on

Monte Grande’s center stands about 80 ft above sea level. Within three miles the land runs from 30 ft to 740 ft, a difference of 710 ft: hilly country. The highest named summit within 15 miles is Pico Santa Ana, about 2,950 ft, 10 miles east-northeast.

Monte Grande, west to east Monte Grande80 ftPico Santa Ana2,950 ft ← WE → 24 miles through the town center; vertical exaggeration about 13×.
Elevation, center80 ft
Within 3 miles30 to 740 ft
Lie of the landHilly (710 ft of relief)
High point nearbyPico Santa Ana, 2,950 ft, 10 mi east-northeast
5

Monte Grande’s year

Monte Grande has a tropical savanna climate. Summer afternoons average 92° in July; winter nights fall to about 62° in January. About 45 inches of rain fall in a normal year.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 44.9 in
July, average92° / 70° · high / low, the warmest month
January, average87° / 62° · high / low, the coldest month
Rain a year44.9 in · wettest months: October and September
Hottest on record103°F · July 10, 1998
Coldest on record44°F · January 14, 1992
Wettest day on record12.3 in · September 17, 1975
90° days a year197 · none reach 100°
Climate typeTropical savanna · Köppen Aw
1Highs of 90° and up · May 13 to Nov. 11; normal highs reach 90°
2Wettest stretch · September through November: 17.6 of the year’s 44.9 inches
NOVEMBER 14 IN THE RECORD

On November 14 Monte Grande normally reaches 89° and falls to 68°. The record high is 94°, in 2023; the record low 60°, in 2005. The most rain on this date, 6.45 in, fell in 2003.

Normals 1991–2020 and records since 1900 at Lajas Substation, 4 miles south-southeast. NOAA, through RCC-ACIS.