Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

04:58

16:30

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

Sun - Rise: 06:38, Set: 20:32, Transit: 13:36. Moon - Rise: 04:58, Set: 16:30. Civil Dark: 21:02 - 06:07. Nautical Dark: 21:40 - 05:30. Astro Dark: 22:21 - 04:48

Total Clouds (% Sky Obscured)

94
90
91
87
45
34
18
13
5
5
0
0
0
0
0
0
7
0
0
9
60
23
1
0

Low Clouds (% Sky Obscured)

68
75
62
52
45
34
18
13
5
5
0
0
0
0
0
0
6
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

62
62
63
12
8
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
8
60
18
1
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
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
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 (%)

95
75
46
13
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
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)

18
17
15
15
20
20
23
24
24
25
25
25
24
22
22
22
21
21
23
23
23
24
24
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
91
84
81
90
88
88
83
83
85
86
81
75
66
59
55
53
51
51
51
52
57

Pressure (mb)

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

Ozone (du)

360
361
363
363
361
359
352
348
347
346
348
348
348
348
348
351
353
348
346
346
345
345
346
346

Thursday 24

Waning Crescent 9%

05:19

17:50

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

Sun - Rise: 06:37, Set: 20:33, Transit: 13:35. Moon - Rise: 05:19, Set: 17:50. Civil Dark: 21:04 - 06:06. Nautical Dark: 21:42 - 05:28. Astro Dark: 22:23 - 04:46

Total Clouds (% Sky Obscured)

0
0
3
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
10
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
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
1
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)

23
23
22
20
18
16
14
13
12
12
12
12
12
11
11
12
12
11
10
10
10
10
10
11

Chance of Frost

Temperature (°C)

12
10
10
10
10
9
9
8
8
7
7
6
7
8
11
12
13
13
14
14
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
65
67
72
80
82
82
84
82
81
82
84
82
78
65
56
51
48
44
41
40
40
43
49

Pressure (mb)

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

Ozone (du)

347
348
348
348
347
347
346
345
343
342
340
339
338
335
335
336
333
333
334
333
331
330
332
333

Friday 25

Waning Crescent 3%

05:41

No Set

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

Sun - Rise: 06:35, Set: 20:34, Transit: 13:35. Moon - Rise: 05:41, Set: No Set. Civil Dark: 21:05 - 06:04. Nautical Dark: 21:43 - 05:26. Astro Dark: 22:25 - 04:44

Total Clouds (% Sky Obscured)

1
2
0
1
30
35
69
100
96
86
35
52
100
33
14
69
80
96
96
97
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
29
33
60
31
67
38
51
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
23
4
7
0
77
89
91
94
97
100
100
100

High Clouds (% Sky Obscured)

1
2
0
1
30
35
69
100
96
86
35
52
100
33
5
32
35
30
25
28
57
100
100
100

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
4
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
24
39
40
60
71

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
9
8
7
5
5
4
4
4
4
4
4
6
10
13
11
12
12
11
11
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

57
70
77
78
75
74
71
69
70
69
70
70
71
70
61
58
58
57
57
58
56
62
59
67

Pressure (mb)

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

Ozone (du)

330
330
330
330
330
330
332
332
330
329
327
326
325
325
327
326
329
331
333
334
336
336
338
340

Saturday 26

Waning Crescent 0%

06:04

19:11

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: 06:34, Set: 20:35, Transit: 13:35. Moon - Rise: 06:04, Set: 19:11. Civil Dark: 21:06 - 06:03. Nautical Dark: 21:45 - 05:24. Astro Dark: 22:27 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
96
96
96
97
98
100
100
94

Low Clouds (% Sky Obscured)

46
39
37
30
48
67
88
89
88
89
87
78
71
45
31
19
30
38
64
74
77
75
67
35

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
86
96
87
66
96
93
86
71
79
89
100
99
88

High Clouds (% Sky Obscured)

100
100
100
100
100
74
100
100
100
57
55
95
99
88
74
60
64
65
43
51
60
65
60
60

ISS Passover

Visibility (miles)

9
9
4
2
3
9
4
3
3
9
9
9
9
9
9
9
9
9
4
4
4
9
7
8

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

Precipitation Probability (%)

68
81
95
95
84
92
95
95
95
72
60
55
49
39
33
26
23
43
56
67
63
59
59
60

Precipitation Amount (mm)

0
0.4
1.1
1.3
0.6
0.5
1.3
1.7
0.9
0.3
0.3
0.3
0.2
0
0
0
0
0.2
0.3
0.4
0.3
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
84
88
90
90
93
91
91
91
87
87
88
88
78
73
67
64
63
64
66
67
66
72

Pressure (mb)

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

Ozone (du)

341
344
346
346
348
351
351
349
348
348
349
349
349
349
350
350
350
351
351
351
353
354
355
357

Sunday 27

New Moon 1%

06:33

20:36

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: 06:32, Set: 20:36, Transit: 13:35. Moon - Rise: 06:33, Set: 20:36. Civil Dark: 21:08 - 06:01. Nautical Dark: 21:46 - 05:22. Astro Dark: 22:28 - 04:40

Total Clouds (% Sky Obscured)

99
78
67
50
52
50
52
54
52
50
59
73
88
69
77
84
89
94
98
97
96
95
85
72

Low Clouds (% Sky Obscured)

25
44
44
40
35
30
20
15
5
5
0
0
5
49
66
81
86
91
95
88
81
74
65
55

Medium Clouds (% Sky Obscured)

90
12
7
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
10
19
28
20
10

High Clouds (% Sky Obscured)

55
39
15
0
2
4
9
5
2
0
10
18
31
0
0
0
18
36
51
52
53
55
49
44

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

44
23
18
2
2
11
0
0
0
0
0
0
0
4
6
7
21
30
36
65
84
95
93
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1.1
0.9
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
9
9
7
7
6
6
6
6
6
6
6
7
9
10
11
11
12
12
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
84
88
93
91
90
88
84
82
82
82
81
81
81
80
76
75
72
70
67
70
71
73
76

Pressure (mb)

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

Ozone (du)

359
361
363
363
364
364
363
363
363
362
361
360
360
360
362
365
367
367
367
367
367
368
368
368

Monday 28

Waxing Crescent 5%

07:08

22:03

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

Sun - Rise: 06:31, Set: 20:38, Transit: 13:35. Moon - Rise: 07:08, Set: 22:03. Civil Dark: 21:09 - 05:59. Nautical Dark: 21:48 - 05:20. Astro Dark: 22:30 - 04:38

Total Clouds (% Sky Obscured)

58
42
30
21
20
19
17
31
46
53
45
37
27
33
39
42
50
58
63
73
81
87
91
95

Low Clouds (% Sky Obscured)

44
34
24
17
11
8
5
18
32
46
45
37
27
33
26
20
30
39
51
53
59
63
68
72

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

26
14
7
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
27
54
80
80
75

ISS Passover

Visibility (miles)

8
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

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

Precipitation Probability (%)

90
74
52
3
6
5
0
1
1
0
1
2
0
7
10
6
22
27
26
44
53
58
60
57

Precipitation Amount (mm)

0.9
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
84
88
91
90
90
88
88
86
85
82
79
76
72
66
61
58
57
55
55
55
54
61

Pressure (mb)

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

Ozone (du)

367
367
367
367
368
371
374
377
373
370
367
364
360
357
356
355
355
353
352
350
349
349
348
348

Tuesday 29

Waxing Crescent 11%

07:54

23:28

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

Sun - Rise: 06:29, Set: 20:39, Transit: 13:35. Moon - Rise: 07:54, Set: 23:28. Civil Dark: 21:10 - 05:58. Nautical Dark: 21:49 - 05:19. Astro Dark: 22:32 - 04:35

Total Clouds (% Sky Obscured)

99
80
71
66
61
46
29
22
15
7
6
4
3
19
38
56
66
77
87

Low Clouds (% Sky Obscured)

78
79
71
66
61
46
29
22
15
7
6
4
3
13
26
37
45
51
57

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

75
47
20
1
1
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

Fog (%)

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

Precipitation Probability (%)

82
61
39
16
15
14
12
9
5
0
1
1
0
7
7
3
21
28
33

Precipitation Amount (mm)

0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
77
81
82
85
85
87
88
87
85
82
82
82
81
77
74
71
66
61

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

348
348
347
347
346
346
345
345
343
341
340
340
341
342
343
344
345
344
343

Forecast for Lagarde-d'Apt, Vaucluse, France (44.00,5.48)

Generated: 23/04/25 19:28:50. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+2.00