Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

New Moon 1%

07:28

18:30

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 OK
19 Good
20 Good
21 OK

Sun - Rise: 06:40, Set: 17:55, Transit: 12:17. Moon - Rise: 07:28, Set: 18:30. Civil Dark: 18:18 - 06:17. Nautical Dark: 18:45 - 05:50. Astro Dark: 19:11 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
93
97
86
87
90
69
51
20
19
7
3
2
22

Low Clouds (% Sky Obscured)

36
73
72
79
82
76
83
85
92
84
77
71
62
57
55
40
45
50
20
19
0
0
0
0

Medium Clouds (% Sky Obscured)

57
68
91
100
85
100
72
67
2
0
0
15
33
16
14
10
0
0
0
0
0
0
0
19

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
65
79
60
63
77
46
13
2
9
7
3
2
0

ISS Passover

Visibility (miles)

7
4
3
8
5
3
3
6
3
9
9
9
9
9
9
9
9
5
6
8
9
9
9
9

Fog (%)

0
0
0
1
0
9
15
0
12
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
1
95
95
95
95
95
95
76
15
6
6
9
15
29
40
57
66
60
40
8
4
6
5

Precipitation Amount (mm)

0
0
0.5
1.3
1.6
1.6
1.4
1
0.4
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

1
3
3
2
2
1
1
2
3
2
1
1
2
3
4
4
4
6
6
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
21
21
21
21
22
21
21
21
21
22
23
24
26
28
28
27
27
28
28
24
23
22
21

Dew Point (°C)

19
19
19
19
19
19
19
19
19
18
19
19
19
19
19
18
19
21
21
21
19
18
18
17

Relative Humidity (%)

92
96
96
96
96
96
96
98
100
96
96
92
84
74
67
63
65
78
82
88
89
92
93
92

Pressure (mb)

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

Ozone (du)

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

Monday 28

Waxing Crescent 6%

08:39

19:25

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 OK
13 Bad
14 Bad
15 OK
16 OK
17 Bad
18 OK
19 Bad
20 Bad
21 OK

Sun - Rise: 06:40, Set: 17:54, Transit: 12:17. Moon - Rise: 08:39, Set: 19:25. Civil Dark: 18:17 - 06:17. Nautical Dark: 18:44 - 05:50. Astro Dark: 19:11 - 05:24

Total Clouds (% Sky Obscured)

49
61
67
75
83
85
93
93
73
72
72
54
82
74
45
52
65
45
31
50
32
40
51
37

Low Clouds (% Sky Obscured)

46
59
67
75
81
81
90
90
71
69
69
54
66
63
45
52
64
44
28
34
30
34
48
35

Medium 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

High Clouds (% Sky Obscured)

20
24
0
3
2
0
0
2
73
70
52
2
22
58
45
22
16
4
4
35
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
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
3
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 (%)

2
20
17
9
7
12
8
2
2
11
1
0
0
11
2
3
3
1
2
12
4
4
2
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)

3
3
3
3
3
2
1
1
2
2
2
3
3
2
3
3
3
3
3
4
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
17
18
18
17
17
16

Relative Humidity (%)

92
95
96
98
98
96
96
96
96
95
92
90
84
80
77
73
68
67
67
79
91
92
95
95

Pressure (mb)

1013
1014
1014
1014
1013
1013
1013
1013
1014
1014
1015
1016
1016
1016
1015
1014
1013
1013
1013
1013
1014
1014
1015
1016

Ozone (du)

259
260
260
259
260
261
261
261
261
261
261
261
262
262
262
262
261
262
263
263
263
263
264
263

Tuesday 29

Waxing Crescent 13%

09:50

20:25

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

Sun - Rise: 06:41, Set: 17:53, Transit: 12:17. Moon - Rise: 09:50, Set: 20:25. Civil Dark: 18:17 - 06:17. Nautical Dark: 18:44 - 05:51. Astro Dark: 19:10 - 05:24

Total Clouds (% Sky Obscured)

39
40
54
46
20
23
28
31
10
26
45
35
33
18
25
14
5
4
2
0
6
11
18
12

Low Clouds (% Sky Obscured)

37
40
54
44
8
13
28
31
10
24
45
35
31
18
24
14
5
3
2
0
5
11
18
12

Medium 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

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
8
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 (%)

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

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)

3
3
3
3
4
5
7
7
5
4
4
7
8
7
6
6
5
4
4
3
2
3
3
4

Chance of Frost

Temperature (°C)

16
16
15
15
14
14
14
14
13
12
14
17
18
20
21
22
22
23
22
20
18
17
16
14

Feels Like (°C)

18
18
17
16
15
13
13
12
12
13
16
17
18
20
22
23
23
24
23
23
20
19
17
16

Dew Point (°C)

15
15
15
14
14
13
12
11
11
11
12
12
12
12
12
12
12
12
12
14
13
12
12
12

Relative Humidity (%)

96
98
96
98
96
93
89
84
83
92
83
73
66
60
56
52
50
49
52
67
73
73
77
83

Pressure (mb)

1016
1016
1016
1017
1017
1017
1016
1017
1017
1018
1019
1019
1019
1019
1018
1017
1016
1016
1016
1016
1016
1017
1017
1018

Ozone (du)

263
264
263
262
261
261
260
261
263
264
265
267
266
266
267
267
266
266
266
266
267
266
265
264

Wednesday 30

Waxing Crescent 22%

10:55

21:30

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

Sun - Rise: 06:41, Set: 17:53, Transit: 12:17. Moon - Rise: 10:55, Set: 21:30. Civil Dark: 18:16 - 06:18. Nautical Dark: 18:43 - 05:51. Astro Dark: 19:10 - 05:24

Total Clouds (% Sky Obscured)

7
0
8
15
22
28
36
42
30
15
0
0
0
0
3
6
9
9
9
9
8
8
7
12

Low Clouds (% Sky Obscured)

7
0
8
15
22
28
34
35
22
10
0
0
0
0
2
5
8
9
9
9
8
8
7
12

Medium 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

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
None

Precipitation Probability (%)

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 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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
10
10
9
10
13
16
18
20
22
23
23
24
23
22
20
18
17
16

Feels Like (°C)

15
14
13
13
12
11
11
10
10
11
14
17
19
20
23
24
25
26
25
25
22
21
19
17

Dew Point (°C)

12
12
12
11
11
10
10
9
9
9
10
10
11
12
13
14
14
15
14
16
16
15
14
14

Relative Humidity (%)

89
93
96
95
96
96
96
96
96
95
84
68
64
61
59
57
56
57
58
72
81
82
85
89

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1020
1020
1019
1018
1017
1017
1016
1017
1017
1018
1018
1019

Ozone (du)

262
260
260
259
259
258
257
255
255
255
256
258
259
258
257
256
255
255
255
255
254
253
252
251

Thursday 1

Waxing Crescent 32%

11:52

No Set

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

Sun - Rise: 06:42, Set: 17:52, Transit: 12:17. Moon - Rise: 11:52, Set: No Set. Civil Dark: 18:15 - 06:18. Nautical Dark: 18:42 - 05:51. Astro Dark: 19:09 - 05:25

Total Clouds (% Sky Obscured)

17
19
19
21
43
21
16
16
10
6
0
8
17
27
33
42
56
44
32
20
27
35
43
59

Low Clouds (% Sky Obscured)

17
19
19
21
31
21
16
16
10
6
0
0
0
0
2
4
7
12
15
14
20
23
26
24

Medium 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

High Clouds (% Sky Obscured)

0
0
0
1
10
1
0
0
0
0
0
2
4
7
24
41
54
38
23
6
9
10
13
28

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

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)

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

Chance of Frost

Temperature (°C)

15
15
14
14
13
13
12
12
12
13
15
17
19
21
23
24
24
25
23
22
20
19
18
16

Feels Like (°C)

16
16
16
15
15
14
14
13
13
14
16
19
19
20
21
22
22
23
25
25
25
24
22
21

Dew Point (°C)

14
14
14
13
13
12
12
12
11
12
13
13
14
14
15
15
16
16
16
16
16
16
15
14

Relative Humidity (%)

92
95
96
96
96
96
96
96
96
96
87
74
69
64
60
59
59
57
63
70
79
81
83
85

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1018
1018
1019

Ozone (du)

251
251
251
251
251
251
251
251
251
251
252
252
252
252
253
252
252
252
252
252
252
251
251
251

Friday 2

Waxing Crescent 43%

12:41

22:34

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
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:42, Set: 17:51, Transit: 12:17. Moon - Rise: 12:41, Set: 22:34. Civil Dark: 18:15 - 06:19. Nautical Dark: 18:42 - 05:52. Astro Dark: 19:09 - 05:25

Total Clouds (% Sky Obscured)

74
88
91
94
97
85
72
60
58
58
59
72
83
93
89
83
76
85
92
100
99
98
97
83

Low Clouds (% Sky Obscured)

26
30
32
37
43
41
32
21
12
7
0
3
8
13
16
19
23
23
22
23
23
22
24
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
12
17
34
49
61
60
58
56
50
52
45
45

High Clouds (% Sky Obscured)

46
65
72
79
86
59
30
6
20
33
47
65
82
93
77
59
41
61
79
100
98
95
92
74

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
7
5
0
0

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)

3
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
2
3
2
1
1
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
16
16
13
13
14
14
14
14
21
21
23
23
24
25
27
26
26
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
92
92
95
95
95
95
87
82
76
69
64
59
58
58
58
63
70
75
77
81
84

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1016
1017
1017
1017
1018

Ozone (du)

252
252
253
252
252
252
252
252
252
252
251
251
251
252
252
251
251
251
250
250
250
250
250
250

Saturday 3

Waxing Crescent 54%

13:22

23:37

22 Bad
23 OK
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: 06:43, Set: 17:51, Transit: 12:17. Moon - Rise: 13:22, Set: 23:37. Civil Dark: 18:14 - 06:19. Nautical Dark: 18:41 - 05:52. Astro Dark: 19:08 - 05:25

Total Clouds (% Sky Obscured)

66
47
62
81
99
99
98
97
89
80
78
77
75
77
71
61
56

Low Clouds (% Sky Obscured)

9
1
8
14
21
14
8
5
12
19
26
35
44
47
30
16
5

Medium Clouds (% Sky Obscured)

38
37
26
15
4
3
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

54
35
57
78
99
99
98
97
89
79
72
68
69
70
70
61
56

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
3
3
3
2
2
4
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
18
17
18
17
17
16
16
17
17
16
16
23
23
23
24
24

Dew Point (°C)

16
15
14
14
14
14
14
14
13
14
14
14
14
15
15
15
15

Relative Humidity (%)

84
85
85
86
87
90
89
90
90
82
73
68
64
61
58
56
54

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1017

Ozone (du)

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

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

Generated: 27/04/25 21:50:54. Forecast: 27/04/25 to 03/05/25. Timezone: UTC-3.00