Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

New Moon 0%

06:20

17:39

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
22 Bad
23 Bad

Sun - Rise: 06:42, Set: 17:53, Transit: 12:17. Moon - Rise: 06:20, Set: 17:39. Civil Dark: 18:17 - 06:18. Nautical Dark: 18:44 - 05:51. Astro Dark: 19:11 - 05:24

Total Clouds (% Sky Obscured)

50
50
62
79
85
75
89
78
71
66
82
97
100
95
100
100
100
100
100
100
91
99
98
95

Low Clouds (% Sky Obscured)

40
41
56
57
59
56
61
57
58
47
41
37
34
29
19
17
5
14
21
19
11
16
51
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
24
54
57
53
60
73
71
84
100
100
87
99
96
92

High Clouds (% Sky Obscured)

0
3
4
16
30
24
48
24
13
9
66
94
100
91
100
100
100
100
100
100
75
30
26
34

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
7
9
9
9
5
3

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60
61
40
74
57
77
95
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0.4
0
0.2
1
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
15
15
15
14
16
18
20
22
23
24
24
23
23
22
21
20
20
19
18
18

Feels Like (°C)

17
17
16
15
16
16
16
15
17
20
22
23
23
24
25
24
24
23
23
22
21
21
20
19

Dew Point (°C)

15
15
14
14
14
14
14
14
15
16
16
16
16
14
16
17
20
21
21
20
20
19
18
18

Relative Humidity (%)

97
98
98
99
98
97
97
97
97
86
76
69
65
53
59
70
85
95
100
98
100
100
100
100

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1012
1012
1012
1013
1012

Ozone (du)

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

Monday 28

Waxing Crescent 1%

07:31

18:26

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 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 Bad
23 Bad

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)

91
97
99
97
90
89
87
84
86
96
86
87
68
86
51
45
53
50
49
40
40
53
63
62

Low Clouds (% Sky Obscured)

59
72
68
79
77
68
70
58
53
77
77
58
54
58
50
38
50
39
33
29
28
29
46
42

Medium Clouds (% Sky Obscured)

86
81
76
40
23
18
23
24
27
24
28
30
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
64
89
80
52
40
31
50
71
80
28
85
60
49
2
2
0
4
2
2
13
53
4
4

ISS Passover

Visibility (miles)

3
6
7
2
0
3
3
3
6
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 (%)

45
46
23
10
7
6
6
3
3
27
35
30
25
18
7
2
2
1
1
1
0
0
6
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
18
18
17
18
19
20
21
22
22
23
24
24
24
21
20
19
17
16
13
15

Dew Point (°C)

18
18
17
17
16
16
16
16
17
18
18
18
15
14
13
10
10
12
13
13
12
11
11
11

Relative Humidity (%)

100
100
98
100
98
100
100
100
100
95
89
82
64
58
53
43
46
56
70
77
79
83
84
89

Pressure (mb)

1012
1012
1012
1012
1011
1012
1012
1013
1013
1014
1014
1014
1013
1012
1011
1011
1011
1011
1013
1014
1014
1015
1016
1016

Ozone (du)

256
256
254
255
254
254
253
254
255
257
257
258
258
259
259
260
260
261
262
263
263
263
261
261

Tuesday 29

Waxing Crescent 6%

08:44

19:19

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
20 OK
21 OK
22 Bad
23 Bad

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)

78
52
39
49
66
86
83
78
53
43
33
23
29
26
25
24
28
37
40
34
21
39
60
83

Low Clouds (% Sky Obscured)

43
35
24
29
47
65
63
50
34
24
22
14
14
13
15
15
17
21
21
21
12
30
52
83

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)

65
2
0
0
1
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
7
5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
0

Fog (%)

1
22
31
99
100
100
83
88
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
11
11
11
12
14
16
18
19
20
21
21
21
19
16
15
14
13
12
12

Feels Like (°C)

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

Dew Point (°C)

11
11
12
11
11
10
10
10
9
6
4
3
2
1
1
2
3
8
8
8
11
12
12
12

Relative Humidity (%)

89
90
92
95
96
96
95
95
81
56
42
35
31
28
26
27
32
49
59
63
82
96
100
100

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1018
1018
1017
1017
1016
1015
1014
1013
1014
1014
1015
1016
1017
1017
1018
1018

Ozone (du)

261
261
260
260
260
260
260
261
262
263
264
266
266
267
267
268
269
270
270
269
270
269
269
269

Wednesday 30

Waxing Crescent 13%

09:56

20:19

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

Sun - Rise: 06:43, Set: 17:51, Transit: 12:17. Moon - Rise: 09:56, Set: 20:19. Civil Dark: 18:14 - 06:20. Nautical Dark: 18:42 - 05:52. Astro Dark: 19:09 - 05:25

Total Clouds (% Sky Obscured)

82
81
84
79
85
85
72
75
68
64
46
32
34
32
34
32
32
30
31
25
25
42
53
69

Low Clouds (% Sky Obscured)

82
81
84
79
85
85
72
75
68
64
44
26
26
28
29
27
25
28
24
19
19
39
50
67

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)

4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6

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

Chance of Frost

Temperature (°C)

12
13
13
13
13
13
12
12
13
15
16
18
20
20
20
21
20
18
16
16
15
14
13
13

Feels Like (°C)

12
12
12
12
12
12
11
11
13
14
15
19
21
21
22
22
21
20
18
17
16
16
14
14

Dew Point (°C)

12
11
10
10
9
9
8
8
9
9
9
8
8
7
6
7
7
10
12
13
14
14
13
13

Relative Humidity (%)

95
89
83
81
79
79
76
73
74
69
64
51
46
42
40
40
42
60
74
82
93
100
98
100

Pressure (mb)

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

Ozone (du)

269
269
269
270
271
272
272
272
273
274
273
271
271
270
268
269
269
269
270
270
271
270
269
268

Thursday 1

Waxing Crescent 22%

11:01

21:24

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

Sun - Rise: 06:44, Set: 17:50, Transit: 12:17. Moon - Rise: 11:01, Set: 21:24. Civil Dark: 18:14 - 06:20. Nautical Dark: 18:41 - 05:53. Astro Dark: 19:08 - 05:26

Total Clouds (% Sky Obscured)

83
82
81
83
82
83
80
79
78
51
48
48
44
38
32
33
35
36
37
35
36
53
67
88

Low Clouds (% Sky Obscured)

83
82
79
80
81
83
80
79
78
38
27
25
21
19
17
18
18
24
27
28
31
41
52
71

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
1
1
0
0
0
17
32
60

ISS Passover

Visibility (miles)

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

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
11
1
3
1
0
0
1
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
5
4
3
3
2
1
2
2
3
3
3
4
4
4
4
4
3
3
4
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
11
11
11
11
11
11
12
12
14
17
19
20
20
21
21
21
20
18
17
16
15
14
13

Dew Point (°C)

12
11
11
10
9
8
8
9
9
9
8
7
6
5
5
6
6
10
11
12
13
13
13
13

Relative Humidity (%)

100
95
90
84
81
79
77
76
74
68
57
49
43
39
36
37
41
58
71
78
93
98
100
98

Pressure (mb)

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

Ozone (du)

267
266
265
263
263
262
263
263
262
261
261
261
261
259
259
259
260
260
259
259
258
257
256
255

Friday 2

Waxing Crescent 32%

11:58

22:29

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
22 Bad
23 Bad

Sun - Rise: 06:44, Set: 17:49, Transit: 12:17. Moon - Rise: 11:58, Set: 22:29. Civil Dark: 18:13 - 06:21. Nautical Dark: 18:41 - 05:53. Astro Dark: 19:08 - 05:26

Total Clouds (% Sky Obscured)

90
89
88
95
97
99
78
70
83
91
88
85
86
89
94
94
94
90
86
88
88
89
90
91

Low Clouds (% Sky Obscured)

76
77
78
74
76
79
71
63
57
51
45
38
31
28
26
21
11
16
19
24
27
29
38
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
8
13
9
4
0
0
0
0
2
2
7

High Clouds (% Sky Obscured)

68
47
41
11
18
31
40
53
46
48
54
55
60
68
76
65
52
52
65
79
78
66
52
42

ISS Passover

Visibility (miles)

3
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
1
2
3
2
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)

7
6
5
4
2
2
2
3
5
7
6
6
5
4
4
3
2
1
2
3
5
6
6
5

Chance of Frost

Temperature (°C)

13
13
12
12
10
9
9
11
13
15
16
18
20
20
21
21
20
19
18
17
16
15
15
14

Feels Like (°C)

12
11
12
11
9
8
8
9
10
10
16
17
17
18
18
20
21
21
21
21
20
19
14
14

Dew Point (°C)

12
11
10
9
7
6
7
7
8
9
9
9
8
8
8
8
10
12
13
14
14
14
13
14

Relative Humidity (%)

96
90
86
81
81
81
82
77
74
70
61
53
47
45
43
41
50
61
74
79
85
90
92
95

Pressure (mb)

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

Ozone (du)

254
253
253
252
252
252
252
252
253
253
253
253
253
253
253
253
252
252
252
251
251
251
251
252

Saturday 3

Waxing Crescent 43%

12:45

23:32

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
22 Bad
23 Bad

Sun - Rise: 06:45, Set: 17:49, Transit: 12:17. Moon - Rise: 12:45, Set: 23:32. Civil Dark: 18:12 - 06:21. Nautical Dark: 18:40 - 05:54. Astro Dark: 19:07 - 05:26

Total Clouds (% Sky Obscured)

90
90
92
93
88
84
91
94
95
97
98
100
98
98
98
97
95
86
89
89
90
90
94
100

Low Clouds (% Sky Obscured)

44
48
50
49
45
46
38
30
24
16
11
5
3
3
6
16
26
35
49
64
75
82
91
100

Medium Clouds (% Sky Obscured)

30
53
70
69
68
60
69
77
87
82
78
78
69
59
44
34
22
10
6
4
1
1
0
0

High Clouds (% Sky Obscured)

35
23
10
7
12
11
12
13
16
46
73
100
75
53
30
40
40
35
35
25
25
23
12
15

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
3
6
8
14
20
28
24
20
12
14
12
9
8
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
13
13
13
13
13
13
13
13
12
11
11
11
11
10
11
11
13
12
12
11
11
11

Relative Humidity (%)

98
100
100
98
98
98
100
93
89
85
73
64
57
56
53
51
58
66
76
78
80
82
82
83

Pressure (mb)

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

Ozone (du)

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

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

Generated: 27/04/25 13:29:43. Forecast: 27/04/25 to 03/05/25. Timezone: UTC-3.00