Extended 10-day forecasts, Ostional
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Ostional, Costa Rica. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our September climate page to see if the current temperatures in Ostional is typical for this time of year.
Today · Friday 18 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 07:00 |
Clear skies
|
27°C (81°F) | 0 mm (0 in) | 77% | NE 5 m/s (10 knots) |
| 08:00 |
Clear skies
|
29°C (84°F) | 0 mm (0 in) | 71% | NE 4 m/s (8 knots) |
| 09:00 |
Clear skies
|
30°C (86°F) | 0 mm (0 in) | 65% | E 4 m/s (8 knots) |
| 10:00 |
Clear skies
|
31°C (88°F) | 0 mm (0 in) | 63% | SE 4 m/s (8 knots) |
| 11:00 |
Rain showers
|
31°C (88°F) | 0.4 mm (0.02 in) | 68% | S 6 m/s (12 knots) |
| 12:00 |
Rain showers
|
29°C (84°F) | 0.8 mm (0.03 in) | 79% | S 6 m/s (12 knots) |
| 13:00 |
Heavy rain showers
|
28°C (82°F) | 1.9 mm (0.1 in) | 81% | SE 6 m/s (12 knots) |
| 14:00 |
Rain showers
|
27°C (81°F) | 0.8 mm (0.03 in) | 86% | SE 6 m/s (12 knots) |
| 15:00 |
Rain showers
|
28°C (82°F) | 0.5 mm (0.02 in) | 86% | SE 5 m/s (10 knots) |
| 16:00 |
Rain showers
|
28°C (82°F) | 0.4 mm (0.02 in) | 85% | SE 5 m/s (10 knots) |
| 17:00 |
Rain
|
27°C (81°F) | 0.3 mm (0.01 in) | 89% | SE 6 m/s (12 knots) |
| 18:00 |
Cloudy
|
26°C (79°F) | 0 mm (0 in) | 91% | SE 5 m/s (10 knots) |
| 19:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 92% | SE 5 m/s (10 knots) |
| 20:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 92% | E 5 m/s (10 knots) |
| 21:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 92% | E 4 m/s (8 knots) |
| 22:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 93% | E 3 m/s (6 knots) |
| 23:00 |
Cloudy
|
26°C (79°F) | 0 mm (0 in) | 97% | E 3 m/s (6 knots) |
07:00
Clear skies
77% · NE 5 m/s (10 knots)
27°C (81°F)
0 mm (0 in)
08:00
Clear skies
71% · NE 4 m/s (8 knots)
29°C (84°F)
0 mm (0 in)
09:00
Clear skies
65% · E 4 m/s (8 knots)
30°C (86°F)
0 mm (0 in)
10:00
Clear skies
63% · SE 4 m/s (8 knots)
31°C (88°F)
0 mm (0 in)
11:00
Rain showers
68% · S 6 m/s (12 knots)
31°C (88°F)
0.4 mm (0.02 in)
12:00
Rain showers
79% · S 6 m/s (12 knots)
29°C (84°F)
0.8 mm (0.03 in)
13:00
Heavy rain showers
81% · SE 6 m/s (12 knots)
28°C (82°F)
1.9 mm (0.1 in)
14:00
Rain showers
86% · SE 6 m/s (12 knots)
27°C (81°F)
0.8 mm (0.03 in)
15:00
Rain showers
86% · SE 5 m/s (10 knots)
28°C (82°F)
0.5 mm (0.02 in)
16:00
Rain showers
85% · SE 5 m/s (10 knots)
28°C (82°F)
0.4 mm (0.02 in)
17:00
Rain
89% · SE 6 m/s (12 knots)
27°C (81°F)
0.3 mm (0.01 in)
18:00
Cloudy
91% · SE 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
19:00
Partly cloudy
92% · SE 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
20:00
Partly cloudy
92% · E 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
21:00
Partly cloudy
92% · E 4 m/s (8 knots)
26°C (79°F)
0 mm (0 in)
22:00
Partly cloudy
93% · E 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
23:00
Cloudy
97% · E 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
Tomorrow · Saturday 19 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Cloudy
|
26°C (79°F) | 0 mm (0 in) | 98% | NE 2 m/s (4 knots) |
| 01:00 |
Fog
|
26°C (79°F) | 0 mm (0 in) | 98% | NE 2 m/s (4 knots) |
| 02:00 |
Fog
|
25°C (77°F) | 0 mm (0 in) | 99% | E 1 m/s (2 knots) |
| 03:00 |
Fog
|
25°C (77°F) | 0 mm (0 in) | 99% | W 2 m/s (4 knots) |
| 04:00 |
Fog
|
25°C (77°F) | 0 mm (0 in) | 100% | N 1 m/s (2 knots) |
| 05:00 |
Fog
|
25°C (77°F) | 0 mm (0 in) | 100% | NW 2 m/s (4 knots) |
| 06:00 |
Fog
|
25°C (77°F) | 0 mm (0 in) | 98% | N 2 m/s (4 knots) |
| 07:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 94% | NE 1 m/s (2 knots) |
| 08:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 88% | SW 1 m/s (2 knots) |
| 09:00 |
Cloudy
|
28°C (82°F) | 0 mm (0 in) | 79% | W 2 m/s (4 knots) |
| 10:00 |
Rain
|
29°C (84°F) | 0.5 mm (0.02 in) | 79% | SW 3 m/s (6 knots) |
| 11:00 |
Rain
|
27°C (81°F) | 0.3 mm (0.01 in) | 86% | SW 4 m/s (8 knots) |
| 12:00 |
Light rain showers
|
28°C (82°F) | 0.1 mm (0 in) | 81% | SW 3 m/s (6 knots) |
| 13:00 |
Rain
|
28°C (82°F) | 0.3 mm (0.01 in) | 80% | SW 3 m/s (6 knots) |
| 14:00 |
Heavy rain
|
28°C (82°F) | 3.5 mm (0.1 in) | 79% | SW 3 m/s (6 knots) |
| 15:00 |
Heavy rain
|
27°C (81°F) | 1.8 mm (0.1 in) | 84% | S 3 m/s (6 knots) |
| 16:00 |
Rain
|
27°C (81°F) | 0.4 mm (0.02 in) | 88% | S 2 m/s (4 knots) |
| 17:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 88% | S 2 m/s (4 knots) |
| 18:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 89% | NE 2 m/s (4 knots) |
| 19:00 |
Cloudy
|
26°C (79°F) | 0 mm (0 in) | 92% | E 2 m/s (4 knots) |
| 20:00 |
Cloudy
|
26°C (79°F) | 0 mm (0 in) | 96% | NE 1 m/s (2 knots) |
| 21:00 |
Fog
|
26°C (79°F) | 0 mm (0 in) | 99% | NE 1 m/s (2 knots) |
| 22:00 |
Fog
|
26°C (79°F) | 0 mm (0 in) | 99% | NE 1 m/s (2 knots) |
| 23:00 |
Fog
|
26°C (79°F) | 0 mm (0 in) | 99% | E 2 m/s (4 knots) |
00:00
Cloudy
98% · NE 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
01:00
Fog
98% · NE 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
02:00
Fog
99% · E 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
03:00
Fog
99% · W 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
04:00
Fog
100% · N 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
05:00
Fog
100% · NW 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
06:00
Fog
98% · N 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
07:00
Partly cloudy
94% · NE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
08:00
Partly cloudy
88% · SW 1 m/s (2 knots)
27°C (81°F)
0 mm (0 in)
09:00
Cloudy
79% · W 2 m/s (4 knots)
28°C (82°F)
0 mm (0 in)
10:00
Rain
79% · SW 3 m/s (6 knots)
29°C (84°F)
0.5 mm (0.02 in)
11:00
Rain
86% · SW 4 m/s (8 knots)
27°C (81°F)
0.3 mm (0.01 in)
12:00
Light rain showers
81% · SW 3 m/s (6 knots)
28°C (82°F)
0.1 mm (0 in)
13:00
Rain
80% · SW 3 m/s (6 knots)
28°C (82°F)
0.3 mm (0.01 in)
14:00
Heavy rain
79% · SW 3 m/s (6 knots)
28°C (82°F)
3.5 mm (0.1 in)
15:00
Heavy rain
84% · S 3 m/s (6 knots)
27°C (81°F)
1.8 mm (0.1 in)
16:00
Rain
88% · S 2 m/s (4 knots)
27°C (81°F)
0.4 mm (0.02 in)
17:00
Partly cloudy
88% · S 2 m/s (4 knots)
27°C (81°F)
0 mm (0 in)
18:00
Partly cloudy
89% · NE 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
19:00
Cloudy
92% · E 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
20:00
Cloudy
96% · NE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
21:00
Fog
99% · NE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
22:00
Fog
99% · NE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
23:00
Fog
99% · E 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
00:00
Morning
06:00
Afternoon
12:00
Evening
18:00
Sunday
20 Sep
25°C (77°F)
0.2 mm (0.01 in)
Fog
100% · E 2 m/s (4 knots)
25°C (77°F)
4.1 mm (0.2 in)
Rain
99% · NE 2 m/s (4 knots)
27°C (81°F)
4.7 mm (0.2 in)
Rain
88% · SE 4 m/s (8 knots)
26°C (79°F)
0.4 mm (0.02 in)
Cloudy
92% · SE 5 m/s (10 knots)
Sun
20 Sep
night
25°C (77°F)
0.2 mm (0.01 in)
Fog
100%
2 m/s (4 knots)
morning
25°C (77°F)
4.1 mm (0.2 in)
Rain
99%
2 m/s (4 knots)
afternoon
27°C (81°F)
4.7 mm (0.2 in)
Rain
88%
4 m/s (8 knots)
evening
26°C (79°F)
0.4 mm (0.02 in)
Cloudy
92%
5 m/s (10 knots)
Monday
21 Sep
25°C (77°F)
0.2 mm (0.01 in)
Cloudy
95% · E 2 m/s (4 knots)
25°C (77°F)
5.1 mm (0.2 in)
Heavy rain showers
99% · E 2 m/s (4 knots)
27°C (81°F)
13 mm (0.5 in)
Heavy rain
86% · S 4 m/s (8 knots)
26°C (79°F)
8.4 mm (0.3 in)
Heavy rain
92% · SE 3 m/s (6 knots)
Mon
21 Sep
night
25°C (77°F)
0.2 mm (0.01 in)
Cloudy
95%
2 m/s (4 knots)
morning
25°C (77°F)
5.1 mm (0.2 in)
Heavy rain showers
99%
2 m/s (4 knots)
afternoon
27°C (81°F)
13 mm (0.5 in)
Heavy rain
86%
4 m/s (8 knots)
evening
26°C (79°F)
8.4 mm (0.3 in)
Heavy rain
92%
3 m/s (6 knots)
Tuesday
22 Sep
24°C (75°F)
5.2 mm (0.2 in)
Heavy rain
95% · E 3 m/s (6 knots)
25°C (77°F)
0.8 mm (0.03 in)
Light rain
93% · SE 2 m/s (4 knots)
27°C (81°F)
0.8 mm (0.03 in)
Light rain showers
84% · S 4 m/s (8 knots)
26°C (79°F)
1.6 mm (0.1 in)
Rain
87% · SE 4 m/s (8 knots)
Tue
22 Sep
night
24°C (75°F)
5.2 mm (0.2 in)
Heavy rain
95%
3 m/s (6 knots)
morning
25°C (77°F)
0.8 mm (0.03 in)
Light rain
93%
2 m/s (4 knots)
afternoon
27°C (81°F)
0.8 mm (0.03 in)
Light rain showers
84%
4 m/s (8 knots)
evening
26°C (79°F)
1.6 mm (0.1 in)
Rain
87%
4 m/s (8 knots)
Wednesday
23 Sep
25°C (77°F)
3.9 mm (0.2 in)
Rain
93% · E 4 m/s (8 knots)
25°C (77°F)
0.2 mm (0.01 in)
Cloudy
94% · E 3 m/s (6 knots)
28°C (82°F)
3.1 mm (0.1 in)
Rain showers
78% · S 5 m/s (10 knots)
25°C (77°F)
0.9 mm (0.04 in)
Light rain
91% · SE 3 m/s (6 knots)
Wed
23 Sep
night
25°C (77°F)
3.9 mm (0.2 in)
Rain
93%
4 m/s (8 knots)
morning
25°C (77°F)
0.2 mm (0.01 in)
Cloudy
94%
3 m/s (6 knots)
afternoon
28°C (82°F)
3.1 mm (0.1 in)
Rain showers
78%
5 m/s (10 knots)
evening
25°C (77°F)
0.9 mm (0.04 in)
Light rain
91%
3 m/s (6 knots)
Thursday
24 Sep
25°C (77°F)
1.8 mm (0.1 in)
Rain
94% · SE 3 m/s (6 knots)
25°C (77°F)
4.5 mm (0.2 in)
Rain showers
95% · E 4 m/s (8 knots)
27°C (81°F)
5 mm (0.2 in)
Heavy rain
84% · S 5 m/s (10 knots)
26°C (79°F)
3.2 mm (0.1 in)
Rain
89% · SE 4 m/s (8 knots)
Thu
24 Sep
night
25°C (77°F)
1.8 mm (0.1 in)
Rain
94%
3 m/s (6 knots)
morning
25°C (77°F)
4.5 mm (0.2 in)
Rain showers
95%
4 m/s (8 knots)
afternoon
27°C (81°F)
5 mm (0.2 in)
Heavy rain
84%
5 m/s (10 knots)
evening
26°C (79°F)
3.2 mm (0.1 in)
Rain
89%
4 m/s (8 knots)
Friday
25 Sep
25°C (77°F)
3.3 mm (0.1 in)
Rain
92% · SE 3 m/s (6 knots)
25°C (77°F)
2.6 mm (0.1 in)
Rain
92% · SE 3 m/s (6 knots)
28°C (82°F)
7.2 mm (0.3 in)
Heavy rain
80% · S 4 m/s (8 knots)
26°C (79°F)
3.6 mm (0.1 in)
Rain
90% · SE 2 m/s (4 knots)
Fri
25 Sep
night
25°C (77°F)
3.3 mm (0.1 in)
Rain
92%
3 m/s (6 knots)
morning
25°C (77°F)
2.6 mm (0.1 in)
Rain
92%
3 m/s (6 knots)
afternoon
28°C (82°F)
7.2 mm (0.3 in)
Heavy rain
80%
4 m/s (8 knots)
evening
26°C (79°F)
3.6 mm (0.1 in)
Rain
90%
2 m/s (4 knots)
Saturday
26 Sep
25°C (77°F)
2.7 mm (0.1 in)
Rain
98% · E 1 m/s (2 knots)
24°C (75°F)
1.4 mm (0.1 in)
Rain
96% · NE 1 m/s (2 knots)
27°C (81°F)
1.6 mm (0.1 in)
Rain
85% · SW 2 m/s (4 knots)
26°C (79°F)
1.9 mm (0.1 in)
Rain
88% · W 3 m/s (6 knots)
Sat
26 Sep
night
25°C (77°F)
2.7 mm (0.1 in)
Rain
98%
1 m/s (2 knots)
morning
24°C (75°F)
1.4 mm (0.1 in)
Rain
96%
1 m/s (2 knots)
afternoon
27°C (81°F)
1.6 mm (0.1 in)
Rain
85%
2 m/s (4 knots)
evening
26°C (79°F)
1.9 mm (0.1 in)
Rain
88%
3 m/s (6 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Ostional weather by month
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