Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 18%

02:05

15:28

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:27, Set: 19:03, Transit: 12:16. Moon - Rise: 02:05, Set: 15:28. Civil Dark: 19:29 - 05:02. Nautical Dark: 19:59 - 04:31. Astro Dark: 20:31 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
92
99
100
95
95
97
94
98
89
95
81
85
87
100
78
87
93
100

Low Clouds (% Sky Obscured)

84
65
30
21
32
43
65
73
84
90
87
87
91
97
81
83
67
74
74
87
59
80
57
44

Medium Clouds (% Sky Obscured)

34
44
40
32
7
19
17
34
9
33
13
10
2
37
32
58
42
44
35
75
28
46
54
34

High Clouds (% Sky Obscured)

100
100
100
100
98
86
69
85
100
73
75
73
38
25
2
1
2
2
3
41
19
32
60
100

ISS Passover

Visibility (miles)

3
2
9
6
9
9
9
2
2
0
0
8
7
7
9
9
7
9
7
8
8
9
8
9

Fog (%)

0
0
0
0
0
0
0
6
100
100
100
100
100
100
100
0
2
9
0
0
0
0
0
0

Precipitation Type

Light Rain
None
Light Rain
Light Rain
None
None
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Light Rain
None

Precipitation Probability (%)

77
65
95
90
27
22
81
71
26
54
25
22
18
17
24
34
60
87
89
83
78
75
95
63

Precipitation Amount (mm)

0.5
0
1.4
1
0
0
0.9
0.7
0
0.3
0
0
0
0
0
0
0
0.2
0.3
0
0
0
1.1
0

Wind Speed/Direction (mph)

6
4
3
1
2
2
2
2
2
3
1
1
1
0
1
2
2
4
6
7
6
6
8
8

Chance of Frost

Temperature (°C)

24
24
23
22
22
21
20
20
20
20
20
20
20
20
20
21
22
23
24
25
24
26
27
26

Feels Like (°C)

27
26
26
26
24
24
23
23
23
22
23
23
23
23
23
23
25
26
26
27
26
28
30
28

Dew Point (°C)

23
23
22
22
21
20
20
20
20
20
20
20
20
20
19
20
21
22
22
22
22
22
22
22

Relative Humidity (%)

89
94
95
96
98
96
98
98
100
100
100
98
98
98
95
94
94
92
89
85
89
79
70
81

Pressure (mb)

1009
1009
1009
1009
1010
1010
1011
1011
1010
1010
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1010
1009
1008
1008

Ozone (du)

253
253
252
252
251
250
251
251
251
252
252
252
251
252
252
254
255
255
255
255
255
254
255
256

Monday 15

Waning Crescent 11%

02:39

No Set

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:28, Set: 19:04, Transit: 12:16. Moon - Rise: 02:39, Set: No Set. Civil Dark: 19:29 - 05:02. Nautical Dark: 20:00 - 04:32. Astro Dark: 20:32 - 04:00

Total Clouds (% Sky Obscured)

77
70
72
69
62
65
100
74
94
97
100
100
100
100
100
100
100
100
100
98
100
100
100
96

Low Clouds (% Sky Obscured)

52
41
61
20
24
32
38
41
47
47
53
59
57
60
60
64
57
63
55
59
58
67
51
35

Medium Clouds (% Sky Obscured)

24
2
26
1
0
0
0
1
8
9
3
20
12
15
15
15
88
97
91
86
87
78
100
87

High Clouds (% Sky Obscured)

74
63
48
44
42
44
100
53
81
95
100
100
100
100
100
100
100
100
96
94
100
100
100
89

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
1
8
9
9
8
9
9
9
6
9
9
9
9
9
5
5
8

Fog (%)

0
0
0
0
0
0
0
0
5
75
96
100
100
91
0
2
2
1
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
None
None
None
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

42
27
42
15
12
12
84
95
60
52
50
69
19
9
43
35
28
37
55
55
61
95
95
95

Precipitation Amount (mm)

0
0
0.2
0
0
0
0.7
1.1
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0.7
1.2
0.8

Wind Speed/Direction (mph)

5
4
4
1
1
1
1
2
2
3
2
3
2
2
2
2
4
5
7
8
8
8
7
7

Chance of Frost

Temperature (°C)

25
26
25
23
23
22
22
21
21
21
21
21
21
21
21
22
23
23
24
26
27
27
26
25

Feels Like (°C)

28
29
28
29
28
28
27
24
24
23
23
23
24
23
24
24
25
26
26
28
28
28
29
28

Dew Point (°C)

23
23
23
23
22
22
21
21
20
20
20
20
20
20
20
21
21
22
21
20
21
21
23
23

Relative Humidity (%)

87
82
87
95
95
96
96
98
96
96
96
96
96
96
96
95
91
89
83
71
68
70
82
84

Pressure (mb)

1007
1007
1007
1007
1008
1009
1010
1010
1010
1009
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1009
1008
1008
1008

Ozone (du)

256
256
257
259
258
256
256
253
252
253
254
253
253
255
256
256
255
255
255
256
256
255
255
257

Tuesday 16

Waning Crescent 6%

03:16

16:21

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:28, Set: 19:04, Transit: 12:17. Moon - Rise: 03:16, Set: 16:21. Civil Dark: 19:30 - 05:03. Nautical Dark: 20:00 - 04:32. Astro Dark: 20:32 - 04:00

Total Clouds (% Sky Obscured)

95
100
98
95
100
89
100
100
100
100
100
100
97
95
94
93
92
92
93
93
95
96
97
90

Low Clouds (% Sky Obscured)

27
28
15
6
12
27
61
88
99
100
94
75
70
83
90
87
86
88
89
90
91
93
96
86

Medium Clouds (% Sky Obscured)

82
87
88
68
33
37
25
12
46
23
23
45
29
28
26
30
30
28
28
31
29
27
23
19

High Clouds (% Sky Obscured)

80
100
89
90
100
64
87
71
39
38
45
45
52
31
6
6
2
9
1
1
1
1
0
0

ISS Passover

Visibility (miles)

2
4
7
7
6
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
87
62
86
82
41
22
39
33
18
10
2
6
6
3
12
1
2
1
12
5
5
1
1

Precipitation Amount (mm)

0.4
0.5
0
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
4
2
3
6
7
7
9
9
9
9
10
10
9
10
10
10
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

25
25
24
23
22
22
21
21
21
20
19
19
18
17
17
18
19
19
20
21
22
23
23
23

Feels Like (°C)

27
28
27
26
24
23
23
22
21
20
18
18
17
16
16
16
17
18
19
20
21
22
22
23

Dew Point (°C)

23
24
23
22
21
21
21
20
20
19
18
18
17
16
16
16
16
16
16
17
17
17
17
17

Relative Humidity (%)

90
94
92
92
94
95
96
96
95
96
95
95
92
93
90
89
85
81
79
76
74
69
66
65

Pressure (mb)

1008
1008
1008
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1013
1014
1015
1015
1015
1015
1015
1015
1014
1013
1013

Ozone (du)

257
257
256
257
256
256
257
258
259
259
259
260
260
261
261
262
262
261
261
260
260
260
260
260

Wednesday 17

Waning Crescent 2%

03:58

17:16

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:29, Set: 19:05, Transit: 12:17. Moon - Rise: 03:58, Set: 17:16. Civil Dark: 19:30 - 05:03. Nautical Dark: 20:01 - 04:33. Astro Dark: 20:33 - 04:01

Total Clouds (% Sky Obscured)

87
76
63
55
51
38
32
24
26
28
30
21
13
3
13
22
31
43
54
64
63
61
59
55

Low Clouds (% Sky Obscured)

78
67
59
55
51
38
30
19
19
19
20
15
10
3
11
20
28
36
40
47
51
53
55
53

Medium Clouds (% Sky Obscured)

17
12
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
22
23
23
24
20

High Clouds (% Sky Obscured)

0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
10
10
9
8
8
7
5
5
5
4
4
5
7
8
7
7
7
7
6
6

Chance of Frost

Temperature (°C)

23
22
21
19
18
17
16
16
15
14
14
13
13
13
13
15
18
20
21
23
25
25
26
26

Feels Like (°C)

22
21
20
19
18
17
16
16
15
15
15
14
14
14
14
16
18
20
22
25
26
27
28
28

Dew Point (°C)

17
17
16
16
15
14
14
14
13
13
13
13
12
12
12
12
13
13
14
15
15
16
16
16

Relative Humidity (%)

68
74
76
81
83
85
86
87
86
89
92
95
95
95
92
80
72
66
61
58
56
55
53
53

Pressure (mb)

1012
1012
1012
1013
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011

Ozone (du)

261
262
263
263
263
262
262
262
262
262
263
264
264
265
265
265
264
265
264
263
263
264
264
263

Thursday 18

Waning Crescent 0%

04:46

18:10

16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 Good
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:29, Set: 19:06, Transit: 12:18. Moon - Rise: 04:46, Set: 18:10. Civil Dark: 19:31 - 05:04. Nautical Dark: 20:01 - 04:33. Astro Dark: 20:33 - 04:01

Total Clouds (% Sky Obscured)

54
45
35
29
24
20
15
16
15
17
77
79
63
47
51
54
67
90
93
92
91
83
89
80

Low Clouds (% Sky Obscured)

51
45
35
29
24
20
15
16
15
17
19
46
34
30
37
37
47
46
53
59
70
78
86
73

Medium Clouds (% Sky Obscured)

14
11
7
4
0
0
0
0
0
0
0
26
23
20
19
20
21
22
19
20
23
27
30
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
24
16
7
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
2
2
1
0
0
0
0
1
0
0
2
2
3
5
5
3
16
19
18
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
5
6
8
6
5
4
4
3
3
3
3
3
4
5
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

26
25
24
22
21
19
18
17
16
15
15
14
15
16
16
18
20
21
22
24
25
25
25
25

Feels Like (°C)

28
28
28
25
23
20
20
19
17
17
16
14
15
15
16
15
15
14
24
24
23
24
25
25

Dew Point (°C)

16
17
19
19
17
15
15
15
14
14
14
13
13
13
12
13
14
14
16
17
17
18
18
17

Relative Humidity (%)

54
59
72
80
81
75
82
86
87
92
93
92
86
82
78
73
70
65
65
64
63
63
63
62

Pressure (mb)

1010
1010
1010
1011
1012
1013
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1012
1011
1011
1010

Ozone (du)

263
264
264
264
264
264
264
264
263
262
262
261
261
261
261
261
262
263
262
262
261
261
261
261

Friday 19

New Moon 1%

05:37

19:04

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:30, Set: 19:06, Transit: 12:18. Moon - Rise: 05:37, Set: 19:04. Civil Dark: 19:31 - 05:04. Nautical Dark: 20:02 - 04:34. Astro Dark: 20:34 - 04:02

Total Clouds (% Sky Obscured)

67
48
42
39
41
41
41
41
57
63
70
78
85
91
92
93
93
90
87
84
81
79
76
76

Low Clouds (% Sky Obscured)

59
38
29
22
21
27
33
40
53
63
68
73
77
85
90
89
88
85
81
77
74
70
68
69

Medium Clouds (% Sky Obscured)

36
32
28
16
16
12
12
12
14
15
16
19
18
20
18
16
16
14
12
12
10
8
7
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

21
13
17
14
5
7
7
4
6
6
3
7
8
4
8
6
4
21
28
34
40
44
48
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

7
7
7
7
7
7
6
6
5
5
5
5
5
5
5
6
7
9
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

25
25
24
23
22
21
21
20
20
20
20
20
20
20
20
21
22
23
24
25
26
26
27
27

Feels Like (°C)

27
27
27
27
28
28
23
24
24
23
22
22
21
21
21
20
20
19
25
25
25
25
26
26

Dew Point (°C)

18
19
19
19
19
19
19
19
19
18
18
17
17
18
18
18
18
18
19
19
20
20
20
20

Relative Humidity (%)

66
69
72
77
83
86
89
92
93
91
89
86
86
88
88
82
80
76
74
70
68
66
64
62

Pressure (mb)

1010
1010
1009
1010
1011
1012
1012
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010

Ozone (du)

261
261
262
262
261
261
261
262
262
261
261
261
261
261
261
261
261
261
260
259
258
257
257
256

Saturday 20

Waxing Crescent 3%

06:33

19:55

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:30, Set: 19:07, Transit: 12:19. Moon - Rise: 06:33, Set: 19:55. Civil Dark: 19:32 - 05:05. Nautical Dark: 20:03 - 04:34. Astro Dark: 20:34 - 04:02

Total Clouds (% Sky Obscured)

76
76
60
45
31
42
51
66
74
82
90
92
89
89
88
88
89

Low Clouds (% Sky Obscured)

70
70
52
36
16
28
40
53
67
79
85
82
78
75
75
75
78

Medium Clouds (% Sky Obscured)

14
18
14
11
9
13
17
21
21
23
20
20
15
12
12
12
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
6
15
23
18
12
1

ISS Passover

Visibility (miles)

8
7
5
6
7
8
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

68
73
72
63
50
48
44
36
39
39
29
32
32
27
26
25
21

Precipitation Amount (mm)

0.3
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
5
5
4
4
4
4
4
4
4
4
4
4
4
4
6

Chance of Frost

Temperature (°C)

26
26
25
24
22
21
21
21
21
21
20
20
20
20
20
21
22

Feels Like (°C)

29
29
28
29
28
28
24
24
24
24
24
24
22
22
22
22
23

Dew Point (°C)

20
21
22
22
21
20
20
20
20
20
20
20
20
20
19
20
20

Relative Humidity (%)

68
77
84
88
91
95
95
96
96
96
98
96
98
96
96
92
89

Pressure (mb)

1010
1010
1010
1011
1012
1012
1013
1013
1014
1013
1013
1012
1013
1014
1014
1014
1014

Ozone (du)

256
256
256
255
255
254
254
254
254
253
252
251
252
252
253
253
254

Forecast for Sítio São Sebastião, Pinhalão, Brazil (-23.92,-50.12)

Generated: 14/12/25 16:18:19. Forecast: 14/12/25 to 20/12/25. Timezone: UTC-3.00