Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

New Moon 1%

07:31

18:26

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 OK
16 OK
17 OK
18 OK
19 Good

Sun - Rise: 06:42, Set: 17:52, Transit: 12:17. Moon - Rise: 07:31, Set: 18:26. Civil Dark: 18:16 - 06:19. Nautical Dark: 18:43 - 05:51. Astro Dark: 19:10 - 05:24

Total Clouds (% Sky Obscured)

94
98
97
100
100
100
96
93
100
100
99
100
82
74
64
62
79
60
61
43
36
25
35
7

Low Clouds (% Sky Obscured)

8
29
39
41
47
52
73
76
67
72
90
80
61
66
61
59
50
43
34
33
33
23
23
0

Medium Clouds (% Sky Obscured)

91
96
92
100
99
79
78
79
64
56
46
43
27
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
50
45
49
38
48
53
46
100
94
75
73
8
31
7
10
55
30
24
10
0
1
25
7

ISS Passover

Visibility (miles)

4
8
9
9
9
9
8
7
5
2
2
8
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
20
1
0
0
0
100
100
100
99
89
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
None
None
None
None
None
None
None

Precipitation Probability (%)

95
81
15
61
52
49
49
42
34
26
13
9
22
32
35
14
19
5
2
0
0
0
0
0

Precipitation Amount (mm)

1
0.6
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)

1
2
1
1
2
2
2
1
1
1
2
2
3
7
8
8
9
9
7
7
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
18
18
18
18
18
18
17
17
17
17
18
18
18
16
12
11
10
8
10
11
13
12

Relative Humidity (%)

95
100
98
98
100
100
100
100
100
98
98
100
98
93
86
74
59
51
45
40
44
56
72
77

Pressure (mb)

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

Ozone (du)

257
257
258
257
257
255
255
255
255
254
254
253
254
257
257
258
259
261
261
262
262
263
264
265

Monday 28

Waxing Crescent 6%

08:44

19:19

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

Sun - Rise: 06:43, Set: 17:51, Transit: 12:17. Moon - Rise: 08:44, Set: 19:19. Civil Dark: 18:15 - 06:19. Nautical Dark: 18:43 - 05:52. Astro Dark: 19:10 - 05:25

Total Clouds (% Sky Obscured)

2
5
1
0
0
0
0
30
43
58
49
55
2
0
0
0
0
0
0
0
0
0
0
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
28
35
37
26
0
0
0
0
0
0
0
0
0
0
0
3

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)

2
5
1
0
0
0
0
30
22
32
3
44
2
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
8
8
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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
11
10
9
9
8
8
7
7
9
14
16
17
19
20
21
20
20
19
15
14

Feels Like (°C)

16
15
14
14
13
12
10
10
8
8
7
8
8
15
17
18
20
21
21
21
20
20
16
14

Dew Point (°C)

11
11
10
10
10
9
8
8
8
7
6
6
5
6
4
3
2
2
2
2
3
8
7
7

Relative Humidity (%)

82
84
87
88
93
93
93
96
96
96
96
96
78
58
46
37
32
29
28
28
32
50
59
65

Pressure (mb)

1015
1015
1016
1016
1016
1017
1016
1016
1016
1017
1017
1018
1018
1018
1018
1017
1016
1015
1014
1014
1014
1014
1015
1016

Ozone (du)

265
265
264
264
263
261
262
262
263
264
264
264
266
269
270
270
270
270
271
272
272
271
271
272

Tuesday 29

Waxing Crescent 13%

09:56

No Set

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

Sun - Rise: 06:43, Set: 17:51, Transit: 12:17. Moon - Rise: 09:56, Set: No Set. Civil Dark: 18:14 - 06:20. Nautical Dark: 18:42 - 05:52. Astro Dark: 19:09 - 05:25

Total Clouds (% Sky Obscured)

0
12
50
61
57
61
60
65
64
81
79
76
80
74
53
35
37
40
49
45
43
42
42
64

Low Clouds (% Sky Obscured)

0
12
47
61
57
61
60
65
64
81
79
76
80
74
53
32
28
31
34
36
32
34
31
30

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
1
0
0
0
0
0
0
0
0
2
54

ISS Passover

Visibility (miles)

9
9
9
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
3
6
94
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
3
14
2
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
3
3
2
2
2
2
2
2
2
3
5
3
2
1
1
2
2
2
2
3

Chance of Frost

Temperature (°C)

13
11
10
10
10
10
10
10
10
9
8
9
11
14
16
18
19
20
20
20
19
18
16
15

Feels Like (°C)

14
13
11
11
9
9
9
9
9
8
8
8
9
13
15
18
21
21
22
22
21
20
18
17

Dew Point (°C)

11
11
10
10
10
9
8
7
7
6
6
6
6
8
9
9
7
7
7
7
7
10
12
13

Relative Humidity (%)

87
98
100
100
95
88
84
81
82
82
84
81
71
68
64
56
47
42
40
40
43
60
75
85

Pressure (mb)

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

Ozone (du)

272
271
271
271
272
273
273
272
273
274
275
276
276
277
276
276
274
272
271
270
270
271
272
271

Wednesday 30

Waxing Crescent 22%

11:01

20:19

20 OK
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 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:44, Set: 17:50, Transit: 12:17. Moon - Rise: 11:01, Set: 20:19. Civil Dark: 18:14 - 06:20. Nautical Dark: 18:41 - 05:53. Astro Dark: 19:08 - 05:26

Total Clouds (% Sky Obscured)

35
46
53
66
75
76
71
75
77
75
74
77
67
35
31
25
26
25
24
29
35
41
38
32

Low Clouds (% Sky Obscured)

31
44
49
66
75
76
71
75
77
75
74
77
67
35
31
25
24
23
20
19
19
22
18
16

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

ISS Passover

Visibility (miles)

9
9
9
4
1
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
14
1
4
1
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
5
4
4
4
4
3
3
3
2
2
3
4
5
4
4
4
4
4
4
3
3
3
4

Chance of Frost

Temperature (°C)

14
13
12
12
11
12
12
12
12
11
11
12
13
14
16
18
19
20
20
21
20
19
17
16

Feels Like (°C)

14
14
13
13
12
11
11
11
11
10
10
11
12
14
18
19
20
20
21
22
21
20
18
17

Dew Point (°C)

14
12
12
12
11
11
10
9
9
8
8
8
9
8
8
7
5
4
4
5
6
10
11
10

Relative Humidity (%)

96
98
100
100
98
93
87
84
83
80
79
76
74
66
57
47
40
35
33
35
39
56
67
70

Pressure (mb)

1019
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1021
1021
1020
1019
1018
1018
1018
1018
1019
1020

Ozone (du)

271
271
271
270
269
268
267
266
265
264
264
263
263
263
263
263
262
261
260
260
259
259
258
257

Thursday 1

Waxing Crescent 32%

11:58

21:24

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 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:44, Set: 17:49, Transit: 12:17. Moon - Rise: 11:58, Set: 21:24. Civil Dark: 18:13 - 06:21. Nautical Dark: 18:41 - 05:53. Astro Dark: 19:08 - 05:26

Total Clouds (% Sky Obscured)

27
42
59
76
83
82
79
81
83
84
79
73
65
71
80
88
72
57
48
64
80
96
98
99

Low Clouds (% Sky Obscured)

14
27
48
69
83
82
79
81
83
84
77
68
60
53
46
39
32
23
15
9
10
16
15
13

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
1
0
1
1
1
1
15
3
4
9
14
21
38
60
80
58
41
32
55
76
96
98
99

ISS Passover

Visibility (miles)

9
9
9
4
0
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
1
1
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
6
6
6
7
6
5
4
4
3
2
3
4
6
4
3
2
2
3
3
2
1
1
0

Chance of Frost

Temperature (°C)

15
13
13
13
13
13
13
13
13
13
12
13
14
16
17
19
20
21
21
22
21
20
19
18

Feels Like (°C)

16
15
14
13
13
12
12
12
12
12
11
13
13
15
16
16
16
17
18
18
24
24
24
23

Dew Point (°C)

13
13
13
13
13
13
11
10
10
10
9
10
10
11
10
10
9
8
8
7
10
12
14
15

Relative Humidity (%)

86
96
100
100
100
95
89
84
83
83
81
79
76
74
64
54
46
43
41
39
48
59
71
80

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1021
1021
1020
1019
1018
1017
1017
1018
1018
1018

Ozone (du)

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

Friday 2

Waxing Crescent 43%

12:45

22:29

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
19 Bad

Sun - Rise: 06:45, Set: 17:49, Transit: 12:17. Moon - Rise: 12:45, Set: 22:29. Civil Dark: 18:12 - 06:21. Nautical Dark: 18:40 - 05:54. Astro Dark: 19:07 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
95
97
99
97
96
97
98
98
99
100
100
100
100
87
90
80
79
82

Low Clouds (% Sky Obscured)

9
22
35
52
60
67
73
78
84
86
74
61
48
43
40
37
40
45
51
39
33
18
22
29

Medium Clouds (% Sky Obscured)

0
0
0
0
4
13
26
27
28
30
50
70
89
91
92
94
90
81
73
59
48
39
27
16

High Clouds (% Sky Obscured)

100
100
99
99
79
66
53
59
62
65
65
70
70
77
82
100
100
100
100
72
47
20
42
64

ISS Passover

Visibility (miles)

9
9
6
3
0
3
6
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
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
2
3
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
20
15
15
14
14
13
12
14
14
13
13
14
15
17
19
20
22
23
24
23
22
21
21

Dew Point (°C)

15
15
15
15
14
13
12
11
11
11
11
11
12
13
14
15
16
16
17
18
18
18
17
17

Relative Humidity (%)

89
96
98
100
100
95
92
90
89
89
89
87
84
83
77
72
68
70
72
74
77
82
85
88

Pressure (mb)

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

Ozone (du)

252
251
251
252
252
251
250
250
249
249
249
249
250
251
251
252
253
253
253
253
253
253
254
253

Saturday 3

Waxing Crescent 54%

13:26

23:32

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

Sun - Rise: 06:45, Set: 17:48, Transit: 12:17. Moon - Rise: 13:26, Set: 23:32. Civil Dark: 18:12 - 06:22. Nautical Dark: 18:39 - 05:54. Astro Dark: 19:06 - 05:27

Total Clouds (% Sky Obscured)

95
83
72
61
72
81
94
87
80
74
57
38
17
38
62
80
71
69
67

Low Clouds (% Sky Obscured)

32
24
14
4
10
19
28
25
25
31
26
19
9
5
2
0
2
5
7

Medium Clouds (% Sky Obscured)

4
9
13
16
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

87
65
40
17
20
18
20
37
59
74
57
36
14
38
61
80
71
68
62

ISS Passover

Visibility (miles)

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

Precipitation Type

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
6
7
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
15
15
15
15
15
14
14
14
13
14
16
17
19
21
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
96
98
98
98
96
98
98
100
90
82
74
64
56
48
45
42

Pressure (mb)

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

Ozone (du)

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

Forecast for Espigão, Antônio Olinto, Brazil (-25.92,-50.12)

Generated: 27/04/25 20:40:03. Forecast: 27/04/25 to 03/05/25. Timezone: UTC-3.00