Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 40%

11:10

23:07

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:23, Set: 19:09, Transit: 12:16. Moon - Rise: 11:10, Set: 23:07. Civil Dark: 19:35 - 04:57. Nautical Dark: 20:07 - 04:25. Astro Dark: 20:40 - 03:52

Total Clouds (% Sky Obscured)

67
68
61
55
70
74
75
67
67
55
65
55
45
77
75
68
94
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
60
61
55
62
35
20
13
8
0
0
0
0
14
21
16
18
33
40
27
48
34
61
71

Medium Clouds (% Sky Obscured)

31
40
45
21
31
12
6
0
0
1
2
1
0
0
0
0
0
27
31
4
6
22
33
34

High Clouds (% Sky Obscured)

29
4
50
44
56
57
56
52
47
46
45
45
45
61
57
48
86
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

1
0
0
0
0
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9

Fog (%)

0
0
1
0
0
0
22
0
5
36
36
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
86
64
39
49
32
11
0
0
0
0
0
0
0
0
0
4
42
62
70
34
95
95
95

Precipitation Amount (mm)

1.1
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
0
2
5.6
0.9

Wind Speed/Direction (mph)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
2
3
4
4
5
4

Chance of Frost

Temperature (°C)

28
27
26
26
26
25
24
24
24
24
24
25
26
27
29
32
34
35
35
34
33
33
30
28

Feels Like (°C)

32
31
31
29
29
29
27
27
26
27
26
27
29
30
32
35
36
37
37
36
35
35
33
32

Dew Point (°C)

28
27
26
26
25
25
24
24
24
24
24
24
25
22
21
20
20
19
17
16
17
21
28
27

Relative Humidity (%)

100
100
100
98
98
100
98
98
97
97
97
95
91
73
59
49
43
39
34
33
37
51
87
97

Pressure (mb)

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

Ozone (du)

263
263
261
262
260
258
259
259
260
260
261
262
262
262
262
261
261
260
258
258
259
259
260
260

Friday 26

Waxing Crescent 51%

12:09

23:38

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:23, Set: 19:10, Transit: 12:17. Moon - Rise: 12:09, Set: 23:38. Civil Dark: 19:36 - 04:57. Nautical Dark: 20:07 - 04:26. Astro Dark: 20:40 - 03:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
100
95
59
77
77
81
62
30
42
52
91
100
100
77
34
39

Low Clouds (% Sky Obscured)

83
84
91
89
74
71
81
66
39
21
6
2
0
19
50
23
34
49
60
68
58
17
0
3

Medium Clouds (% Sky Obscured)

41
40
44
62
44
35
50
19
0
0
0
0
0
0
0
0
0
1
5
25
45
19
0
12

High Clouds (% Sky Obscured)

100
100
100
100
88
74
70
71
100
88
29
33
38
52
0
0
0
0
52
60
60
70
34
39

ISS Passover

Visibility (miles)

5
3
0
0
2
3
5
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
1
2
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
88
94
67
47
36
18
3
0
0
0
0
0
0
0
0
0
1
13
9
25
20
39
87

Precipitation Amount (mm)

1.7
0.5
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

3
2
2
2
1
0
0
1
0
0
0
0
0
1
1
0
2
4
6
8
8
5
4
3

Chance of Frost

Temperature (°C)

26
25
25
25
24
24
24
24
24
24
24
24
26
27
30
32
34
35
36
36
35
33
31
30

Feels Like (°C)

30
29
29
28
28
27
27
27
27
26
27
29
31
33
36
37
39
39
39
38
37
36
36
35

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
100
98
98
98
98
98
98
97
94
78
58
47
42
39
39
46
53
66
68
72

Pressure (mb)

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

Ozone (du)

260
260
260
259
258
257
257
258
257
259
259
260
260
260
259
259
258
258
258
258
257
256
256
256

Saturday 27

First Quarter 63%

13:09

00:10

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:24, Set: 19:10, Transit: 12:17. Moon - Rise: 13:09, Set: 00:10. Civil Dark: 19:36 - 04:58. Nautical Dark: 20:07 - 04:27. Astro Dark: 20:41 - 03:53

Total Clouds (% Sky Obscured)

58
93
100
77
96
69
96
86
87
87
99
100
100
96
77
100
100
75
84
100
100
92
89
95

Low Clouds (% Sky Obscured)

0
73
58
43
9
8
20
4
2
0
0
0
0
0
35
46
32
26
33
71
75
74
80
78

Medium Clouds (% Sky Obscured)

35
30
29
32
31
6
21
0
0
0
0
0
0
0
0
0
0
0
17
62
75
57
49
43

High Clouds (% Sky Obscured)

58
92
100
62
91
46
52
60
49
50
99
100
100
96
68
100
100
65
68
69
100
61
76
73

ISS Passover

Visibility (miles)

4
9
5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5

Fog (%)

0
0
6
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
18
10
9
2
0
0
0
0
0
0
0
33
37
55
68
95
91
95
95
95

Precipitation Amount (mm)

1.1
6.8
0.3
4.2
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.5
0.7
1.6
0.6
1.2
2.2
1.8

Wind Speed/Direction (mph)

3
0
2
0
2
2
1
1
0
1
1
1
1
0
0
2
2
2
3
3
5
6
5
4

Chance of Frost

Temperature (°C)

28
27
25
24
24
24
25
24
24
25
25
25
27
29
31
34
35
36
36
36
34
31
29
26

Feels Like (°C)

34
33
29
28
29
28
30
28
29
29
29
28
31
33
35
37
38
38
39
39
36
34
32
30

Dew Point (°C)

27
26
25
24
24
24
25
24
24
24
24
25
26
24
21
19
18
17
15
13
18
23
26
25

Relative Humidity (%)

94
98
100
100
98
98
100
98
98
98
97
97
94
74
52
42
35
31
27
25
38
60
85
97

Pressure (mb)

1010
1011
1012
1012
1013
1012
1011
1010
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007
1008
1009
1010

Ozone (du)

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

Sunday 28

Waxing Gibbous 63%

14:14

00:45

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:25, Set: 19:10, Transit: 12:18. Moon - Rise: 14:14, Set: 00:45. Civil Dark: 19:36 - 04:59. Nautical Dark: 20:08 - 04:27. Astro Dark: 20:41 - 03:54

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
88
76
68
78
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
56
78
63
74
73
79
78
65
66
57
54
58
68
67
73
75
81
89
95
98
98
99
98

Medium Clouds (% Sky Obscured)

40
55
88
88
87
42
66
49
18
14
32
18
4
19
10
12
19
20
28
25
50
40
83
60

High Clouds (% Sky Obscured)

94
100
59
77
98
100
100
100
100
100
100
73
42
18
46
73
99
85
96
100
100
100
92
100

ISS Passover

Visibility (miles)

9
5
1
3
0
0
0
0
0
0
0
0
5
9
9
9
8
7
6
1
0
0
0
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
84
84
79
44
10
18
25
28
35
40
63
95
95
95
95
95
95

Precipitation Amount (mm)

1.4
2.4
1.6
0.8
0.6
1
1.1
0.7
0.8
0.8
0
0
0
0
0
0
0
0
0.6
1.3
1.4
1.8
2
1.4

Wind Speed/Direction (mph)

2
0
0
0
0
0
0
1
2
2
1
1
0
0
2
3
4
5
5
6
5
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
28
28
28
28
28
28
28
28
27
27
27
28
29
29
30
31
32
32
32
30
29
28
27

Dew Point (°C)

25
25
25
25
25
25
25
24
24
24
23
23
24
24
24
24
26
27
27
27
27
26
25
25

Relative Humidity (%)

98
98
100
98
100
100
100
100
98
98
98
98
98
92
87
81
85
87
90
95
98
100
100
100

Pressure (mb)

1011
1012
1013
1013
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

253
255
252
253
252
252
252
253
253
252
253
253
253
254
253
253
254
254
253
254
255
254
254
253

Monday 29

Waxing Gibbous 74%

15:22

01:24

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:25, Set: 19:11, Transit: 12:18. Moon - Rise: 15:22, Set: 01:24. Civil Dark: 19:37 - 04:59. Nautical Dark: 20:08 - 04:28. Astro Dark: 20:41 - 03:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
96
96
96
96
95
94
92
92
92
92
92
94
96
99
100
100
100
100
100
100
100
100
97

Medium Clouds (% Sky Obscured)

74
97
97
97
97
92
87
80
84
87
90
92
93
94
96
98
100
95
90
85
87
89
91
93

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
87
81
63
45
31
34
53
63
65
69
77
81
86
91
92

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

95
95
95
95
85
87
73
55
61
54
66
68
65
62
79
84
83
90
95
95
90
90
87
79

Precipitation Amount (mm)

1.5
2.2
3.2
0.9
0.4
0.7
0.4
0
0.2
0
0.4
0.3
0.3
0.3
0.4
0.6
0.5
0.6
0.6
0.5
0.4
0.5
0.5
0.4

Wind Speed/Direction (mph)

2
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2

Chance of Frost

Temperature (°C)

24
24
23
22
22
21
21
21
21
21
21
21
21
22
22
22
22
22
23
23
23
23
23
23

Feels Like (°C)

26
26
26
24
24
23
23
23
23
23
23
23
24
23
24
24
24
24
25
24
24
26
25
25

Dew Point (°C)

24
24
23
22
22
21
21
21
21
21
21
21
21
21
22
22
22
22
23
23
23
23
23
23

Relative Humidity (%)

100
100
98
98
98
98
100
100
98
98
100
100
100
98
100
100
100
98
98
98
97
98
98
98

Pressure (mb)

1013
1014
1014
1014
1015
1015
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

254
254
256
255
255
255
256
256
256
256
257
258
257
258
259
260
260
261
261
261
260
260
259
258

Tuesday 30

Waxing Gibbous 84%

16:33

02:10

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:26, Set: 19:11, Transit: 12:19. Moon - Rise: 16:33, Set: 02:10. Civil Dark: 19:37 - 05:00. Nautical Dark: 20:08 - 04:29. Astro Dark: 20:41 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
94
88
83
84
81
88
95
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
91
86
85
81
82
83
86
82
73
66
59
56
51
54
53
50
53
57
62
53
44
33
31

Medium Clouds (% Sky Obscured)

95
97
85
73
63
55
48
43
50
57
65
72
77
83
79
75
72
66
59
52
56
60
64
50

High Clouds (% Sky Obscured)

91
86
90
95
100
99
99
98
98
99
100
79
59
38
31
24
22
54
78
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
2
5
7
8
9
9
9
9
9
8
7
6
7
8
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

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

Precipitation Probability (%)

71
66
55
45
31
23
14
7
11
9
2
3
3
2
6
12
11
20
28
40
52
65
82
95

Precipitation Amount (mm)

0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.3

Wind Speed/Direction (mph)

2
2
2
1
1
0
0
0
1
0
0
0
0
0
1
1
1
1
2
4
5
4
3
2

Chance of Frost

Temperature (°C)

23
22
22
22
23
22
22
22
22
22
22
23
24
25
26
28
29
30
30
31
31
30
29
28

Feels Like (°C)

25
25
24
25
25
25
25
25
24
25
24
25
26
26
27
30
30
29
31
32
34
34
34
33

Dew Point (°C)

23
22
22
22
23
22
22
22
22
22
22
23
23
24
25
24
23
22
23
24
25
25
26
25

Relative Humidity (%)

100
100
98
100
100
98
100
100
98
100
98
98
97
92
91
80
70
60
64
68
71
76
82
87

Pressure (mb)

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

Ozone (du)

258
258
257
257
257
257
257
258
258
258
258
258
257
257
256
256
257
257
256
256
256
257
257
257

Wednesday 31

Waxing Gibbous 92%

17:44

03:05

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

Sun - Rise: 05:27, Set: 19:11, Transit: 12:19. Moon - Rise: 17:44, Set: 03:05. Civil Dark: 19:37 - 05:01. Nautical Dark: 20:09 - 04:29. Astro Dark: 20:42 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
85
78

Low Clouds (% Sky Obscured)

30
30
21
13
3
2
1
0
2
5
7
23
39
53
44
38
33
37
43
52

Medium Clouds (% Sky Obscured)

36
22
31
40
45
57
69
84
76
66
57
53
45
45
38
35
32
29
31
31

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
86
73
62
75
87
100
100
100
100
93
85
78

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
69
77
63
30
26
18
10
11
15
14
33
57
78
95
95
95
95
95
95

Precipitation Amount (mm)

1
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.7
0.7
0
0.7
0.7
0.7

Wind Speed/Direction (mph)

2
2
2
2
1
1
1
1
1
1
1
0
0
0
1
0
0
1
1
3

Chance of Frost

Temperature (°C)

27
26
25
25
25
25
24
25
25
25
25
25
26
28
29
30
31
32
33
33

Feels Like (°C)

33
33
32
28
28
29
28
29
29
27
27
27
26
26
24
34
34
33
33
33

Dew Point (°C)

26
25
24
25
24
24
24
24
24
24
24
24
23
22
21
20
21
20
19
18

Relative Humidity (%)

91
94
97
97
97
97
95
95
94
94
95
94
82
72
62
57
52
49
44
41

Pressure (mb)

1009
1009
1010
1009
1009
1009
1009
1008
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005

Ozone (du)

256
255
254
254
255
255
255
255
255
255
255
255
256
256
257
257
257
257
256
256

Forecast for Vila Nova, Joinville, Brazil (-26.29,-48.91)

Generated: 25/12/25 19:00:03. Forecast: 25/12/25 to 31/12/25. Timezone: UTC-3.00