Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 69%

02:24

10:19

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

Sun - Rise: 06:45, Set: 20:29, Transit: 13:37. Moon - Rise: 02:24, Set: 10:19. Civil Dark: N/A - 06:14. Nautical Dark: 21:36 - 05:36. Astro Dark: 22:17 - 04:55

Total Clouds (% Sky Obscured)

28
32
35
100
92
90
82
97
100
100
89
83
100
66
39
18
29
25
43
78
74
46
36
31

Low Clouds (% Sky Obscured)

20
14
0
0
16
20
7
11
8
18
18
14
10
4
9
2
9
4
20
78
58
26
20
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
61
33
75
70
60
30
0
0
7
1
13
20
19
30
78
66
31
28
29

High Clouds (% Sky Obscured)

28
32
35
100
83
90
82
97
100
100
89
71
100
55
9
1
1
1
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
8
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
1
2
4
20
31
34
35
19
14

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
7
7
8
9
9
8
8
8
8
7
8
10
9
10
12
12
10
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
88
88
87
84
82
80
80
81
78
71
61
55
49
46
45
44
46
64
63
66
75

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1004
1003
1003
1002
1002
1002

Ozone (du)

344
343
341
342
342
342
342
341
341
341
339
340
343
345
347
349
350
355
355
351
352
352
353
354

Saturday 19

Waning Gibbous 59%

03:09

11:25

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

Sun - Rise: 06:43, Set: 20:30, Transit: 13:37. Moon - Rise: 03:09, Set: 11:25. Civil Dark: 21:00 - 06:12. Nautical Dark: 21:38 - 05:34. Astro Dark: 22:19 - 04:53

Total Clouds (% Sky Obscured)

48
49
100
99
97
88
39
5
0
0
0
0
0
0
41
24
15
66
54
61
55
57
66
63

Low Clouds (% Sky Obscured)

19
22
100
87
85
82
13
4
0
0
0
0
0
0
0
1
3
6
47
55
22
5
17
11

Medium Clouds (% Sky Obscured)

32
32
73
81
92
78
2
0
0
0
0
0
0
0
30
11
0
18
23
61
22
1
6
63

High Clouds (% Sky Obscured)

0
0
5
67
13
18
25
0
0
0
0
0
0
0
3
10
10
60
24
49
40
40
40
35

ISS Passover

Visibility (miles)

9
9
9
9
9
4
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
23
61
83
95
84
38
8
2
0
0
0
0
1
3
4
8
7
5
1
1
1
0
0

Precipitation Amount (mm)

0
0
0.2
0.4
0.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
9
9
10
17
12
11
9
8
8
9
10
11
12
12
12
12
12
11
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
77
73
85
88
82
87
88
91
91
88
79
61
44
41
40
39
38
38
46
51
58
72

Pressure (mb)

1003
1003
1003
1003
1004
1005
1006
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

355
357
358
360
362
365
368
371
376
379
379
378
378
376
374
371
370
369
369
367
365
365
365
362

Sunday 20

Waning Gibbous 48%

03:45

12:38

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
20 Bad

Sun - Rise: 06:42, Set: 20:31, Transit: 13:36. Moon - Rise: 03:45, Set: 12:38. Civil Dark: 21:01 - 06:10. Nautical Dark: 21:39 - 05:32. Astro Dark: 22:20 - 04:50

Total Clouds (% Sky Obscured)

57
62
55
59
62
72
99
100
93
98
92
94
97
93
99
100
100
100
100
100
93
84
77
73

Low Clouds (% Sky Obscured)

5
3
3
3
56
72
18
56
53
41
44
50
58
67
67
67
69
74
85
85
78
65
58
46

Medium Clouds (% Sky Obscured)

57
62
55
59
62
72
99
98
25
31
67
39
37
22
55
43
33
31
33
34
28
24
51
15

High Clouds (% Sky Obscured)

32
3
24
10
10
20
15
15
15
15
15
15
15
8
10
70
99
69
39
14
21
27
29
21

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
2
3
3
3
6
16
23
20
17
17
18
14
7
8
13
19
24
15
17
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
2
2
2
2
2
2
1
0
1
0
0
0
1
2
3
6
7
6
7

Relative Humidity (%)

75
74
75
76
76
75
75
75
76
76
75
70
61
58
53
52
52
52
53
59
74
82
82
90

Pressure (mb)

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

Ozone (du)

363
365
365
365
366
368
367
368
365
365
364
365
364
366
364
361
361
359
361
362
363
365
362
359

Monday 21

Third Quarter 37%

04:14

13:54

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
20 Bad

Sun - Rise: 06:40, Set: 20:33, Transit: 13:36. Moon - Rise: 04:14, Set: 13:54. Civil Dark: 21:02 - 06:09. Nautical Dark: 21:41 - 05:30. Astro Dark: 22:22 - 04:48

Total Clouds (% Sky Obscured)

74
65
67
70
68
70
74
77
83
91
99
99
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

54
63
65
66
68
70
74
75
83
91
98
99
99
100
95
91
86
90
91
96
98
100
93
72

Medium Clouds (% Sky Obscured)

7
0
0
0
0
0
0
0
0
1
2
5
9
22
21
43
63
40
11
5
25
55
79
90

High Clouds (% Sky Obscured)

22
2
3
18
9
5
2
5
10
5
10
15
21
26
46
74
97
70
42
9
5
10
10
10

ISS Passover

Visibility (miles)

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

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 (%)

9
1
1
1
0
2
5
1
7
8
17
18
20
26
34
37
32
39
40
34
38
39
33
18

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

Chance of Frost

Temperature (°C)

7
7
6
6
5
5
5
5
5
5
6
6
7
7
7
8
9
9
10
10
10
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
98
100
96
98
98
96
98
96
94
94
93
91
91
91
85
84
84
85
91
96

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

357
357
356
355
355
354
353
353
354
354
356
358
358
358
358
360
360
360
360
361
362
363
363
365

Tuesday 22

Waning Crescent 27%

04:38

15:11

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
20 Bad

Sun - Rise: 06:38, Set: 20:34, Transit: 13:36. Moon - Rise: 04:38, Set: 15:11. Civil Dark: 21:04 - 06:07. Nautical Dark: 21:42 - 05:28. Astro Dark: 22:24 - 04:46

Total Clouds (% Sky Obscured)

92
96
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
93
99
100
96
100
100
100
100
100
100
100
100
100
100
100
100
96
93
89
81
72
60
58

Medium Clouds (% Sky Obscured)

69
34
31
24
27
23
15
15
17
20
20
4
5
6
11
13
14
27
42
57
46
56
80
90

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
1
0
0
0
0
0
16
29
41
51
53
50
27
20
17
12

ISS Passover

Visibility (miles)

2
0
0
0
1
0
0
0
0
0
0
0
3
6
9
9
9
9
8
8
7
7
8
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
None
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
Very Light Rain
None

Precipitation Probability (%)

16
12
14
14
20
16
14
14
15
19
9
11
9
8
14
14
14
31
38
41
49
54
60
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.3
0

Wind Speed/Direction (mph)

5
5
4
5
5
5
5
5
5
6
6
6
5
5
5
5
4
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
5
5
5
5
5
5
5
5
5
4
5
5
6
5
5
11
11
10
10
10
11

Dew Point (°C)

7
6
7
7
6
7
6
7
6
6
6
6
6
6
6
6
6
6
7
7
7
7
6
6

Relative Humidity (%)

98
98
100
98
96
98
98
100
98
100
98
96
93
91
90
82
76
70
72
73
75
78
81
85

Pressure (mb)

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

Ozone (du)

366
366
367
366
366
369
369
370
369
369
371
374
374
374
374
372
370
367
368
368
368
368
368
369

Wednesday 23

Waning Crescent 17%

05:00

16:30

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
20 Bad

Sun - Rise: 06:37, Set: 20:35, Transit: 13:36. Moon - Rise: 05:00, Set: 16:30. Civil Dark: 21:05 - 06:05. Nautical Dark: 21:44 - 05:26. Astro Dark: 22:26 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
97
100
97
94
91
94
97
100
97
94
91
90
89
87
88
89
91
92

Low Clouds (% Sky Obscured)

71
88
85
83
80
72
66
65
74
80
86
90
95
100
96
92
88
85
83
81
81
81
81
83

Medium Clouds (% Sky Obscured)

100
100
100
99
98
95
92
88
60
31
5
5
6
11
9
7
4
11
17
24
34
44
53
42

High Clouds (% Sky Obscured)

13
50
28
16
9
15
14
21
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
7
6
4
2
0
3
6
9
6
3
0
3
6
9
8
7
6
7
7
7
5
3
2

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

Precipitation Probability (%)

59
63
68
78
95
95
95
95
95
71
36
41
49
59
51
43
40
40
39
38
41
43
42
39

Precipitation Amount (mm)

0
0.2
0.3
0.4
0.9
1.3
1.5
1.5
0.8
0.3
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
94
96
96
98
98
96
96
96
96
96
94
93
88
84
80
81
84
87
90
93
96

Pressure (mb)

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

Ozone (du)

372
376
379
382
386
389
387
384
381
377
374
370
366
362
359
356
353
350
353
356
360
365
370
376

Thursday 24

Waning Crescent 9%

05:20

17:50

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

Sun - Rise: 06:35, Set: 20:36, Transit: 13:36. Moon - Rise: 05:20, Set: 17:50. Civil Dark: 21:07 - 06:03. Nautical Dark: 21:45 - 05:24. Astro Dark: 22:28 - 04:41

Total Clouds (% Sky Obscured)

93
95
94
94
95
97
98
98
98
97
96
95
92
89
85
84
80

Low Clouds (% Sky Obscured)

88
93
92
92
91
92
93
94
94
95
95
95
92
89
85
84
80

Medium Clouds (% Sky Obscured)

30
18
13
7
1
11
19
26
16
5
2
2
2
2
8
15
22

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

2
3
4
3
1
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

Precipitation Type

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

Precipitation Probability (%)

33
23
22
21
21
33
43
49
48
51
57
51
48
48
46
47
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
6
6
5
5
5
6
6
6
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
98
98
100
98
98
98
98
98
98
98
100

Pressure (mb)

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

Ozone (du)

379
383
386
385
384
384
381
379
377
375
372
369
366
363
360
361
362

Forecast for La Chapelle-en-Vercors, Drôme, France (44.97,5.42)

Generated: 18/04/25 21:01:50. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+2.00