10.18
sun
sun
DAY

74°F
E 2 mph
precip
66%
66%
NIGHT

62°F
W 3 mph
precip
38%
38%
10.19
mon
mon
DAY

70°F
E 3 mph
precip
78%
78%
NIGHT

64°F
W 2 mph
precip
76%
76%
10.20
tue
tue
DAY

72°F
S 2 mph
precip
75%
75%
NIGHT

58°F
W 3 mph
precip
38%
38%
10.21
wed
wed
DAY

68°F
SE 2 mph
precip
84%
84%
NIGHT

60°F
SW 4 mph
precip
51%
51%
10.22
thu
thu
DAY

78°F
S 2 mph
precip
57%
57%
NIGHT

64°F
SW 1 mph
precip
73%
73%
10.23
fri
fri
DAY

70°F
NE 3 mph
precip
75%
75%
NIGHT

62°F
W 2 mph
precip
55%
55%
10.24
sat
sat
DAY

68°F
E 1 mph
precip
77%
77%
NIGHT

62°F
W 2 mph
precip
52%
52%
Weather in
October
October
| Cartago |
14 day weather
forecast
forecast
| Cartago |
Monthly weather
averages
averages
| Cartago |
Sea water
temperature
temperature
| Cartago |
Cartago Sea Water Temperature in October, °F
The average sea surface temperature in October 2026 for Cartago was 30.3°F. The maximum and minimum values were 30.0°F and 30.6°F respectively.
Costa Rica Resorts:
NAME
F°
| Alajuela | ![]() |
+66 |
| Cahuita | ![]() |
+84 |
| El Roble | ![]() |
+78 |
| Heredia | ![]() |
+64 |
| Jaco | ![]() |
+84 |
| Limon | ![]() |
+84 |
| Playas del Coco | ![]() |
+82 |
| Puerto Limon | ![]() |
+84 |
| Puerto Viejo de Talamanca | ![]() |
+84 |
| Quepos | ![]() |
+82 |
| Samara | ![]() |
+76 |
| San Jose | ![]() |
+64 |
| Santa Teresa | ![]() |
+86 |
| Tamarindo | ![]() |
+82 |
| Tortuguero | ![]() |
+80 |




























