Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 50%

03:45

12:05

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

Sun - Rise: 06:56, Set: 20:13, Transit: 13:35. Moon - Rise: 03:45, Set: 12:05. Civil Dark: 20:43 - 06:25. Nautical Dark: 21:20 - 05:48. Astro Dark: 21:59 - 05:09

Total Clouds (% Sky Obscured)

44
36
32
27
32
3
10
13
51
50
59
20
32
22
38
100
59
58
100
89
81
96
96
86

Low Clouds (% Sky Obscured)

41
36
28
27
27
2
2
1
0
0
0
0
0
0
0
23
22
24
23
25
10
18
17
16

Medium Clouds (% Sky Obscured)

0
0
3
25
1
0
0
0
0
0
7
8
4
5
10
34
23
23
21
6
21
31
27
14

High Clouds (% Sky Obscured)

0
0
0
1
1
0
6
4
24
35
45
10
27
15
25
100
33
14
100
40
37
68
69
45

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 (%)

7
23
26
30
0
2
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
1
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
5
4
1
2
3
3
2
2
2
3
4
2
5
6
5
3
2
1
3
4
5
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
17
14
14
13
13
12
10
10
10
10
9
8
9
12
16
17
16
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

43
46
59
72
79
79
82
81
83
84
86
87
88
88
88
84
76
64
52
46
45
44
45
47

Pressure (mb)

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

Ozone (du)

347
350
349
348
350
354
358
356
353
351
354
351
352
351
348
348
348
346
344
342
341
339
337
334

Friday 10

Third Quarter 40%

04:17

13:15

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

Sun - Rise: 06:54, Set: 20:14, Transit: 13:35. Moon - Rise: 04:17, Set: 13:15. Civil Dark: 20:45 - 06:23. Nautical Dark: 21:22 - 05:46. Astro Dark: 22:01 - 05:07

Total Clouds (% Sky Obscured)

70
77
68
62
51
52
99
64
35
44
60
21
18
12
16
0
0
0
14
23
27
40
92
100

Low Clouds (% Sky Obscured)

13
19
15
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
2

Medium Clouds (% Sky Obscured)

70
77
63
57
51
52
30
15
2
0
0
0
0
0
0
0
0
0
12
23
27
31
80
73

High Clouds (% Sky Obscured)

19
28
18
23
22
35
99
59
25
35
60
19
18
7
8
0
0
0
0
0
1
7
77
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
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
9

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)

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

Chance of Frost

Temperature (°C)

19
18
18
16
15
14
13
12
11
11
11
11
10
10
10
11
15
18
20
21
22
22
23
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
56
68
79
83
83
81
81
80
77
76
73
72
68
66
62
52
43
35
32
30
29
30
36

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010

Ozone (du)

333
334
333
332
333
333
332
331
331
331
330
330
330
331
335
337
337
337
336
335
336
340
346
349

Saturday 11

Waning Crescent 30%

04:42

14:26

17 Bad
18 Bad
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

Sun - Rise: 06:52, Set: 20:15, Transit: 13:34. Moon - Rise: 04:42, Set: 14:26. Civil Dark: 20:46 - 06:22. Nautical Dark: 21:23 - 05:44. Astro Dark: 22:03 - 05:04

Total Clouds (% Sky Obscured)

100
97
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
27
36
45
84
59
90
100
67
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
63
87
100
100
100
88
85
97
100
100
100
94
70
90
100
100
95
95
97
100
100
100
100

High Clouds (% Sky Obscured)

100
97
91
100
100
100
100
100
100
100
100
99
100
15
34
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
5
9
2
0
0
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
10
35
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

10
44
36
47
83
95
95
59
32
41
45
39
24
39
41
25
22
36
41
60
93
95
95
95

Precipitation Amount (mm)

0
0.2
0
0
0.7
1.2
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.5
3.1
1.4
1.1

Wind Speed/Direction (mph)

9
3
3
5
2
2
1
3
5
7
7
7
7
6
8
6
8
10
10
8
7
7
4
7

Chance of Frost

Temperature (°C)

21
20
18
17
15
14
13
13
12
12
11
10
10
9
8
7
7
7
7
6
6
5
4
5

Feels Like (°C)

19
17
17
15
14
13
12
12
12
11
9
9
8
7
6
5
5
5
4
4
4
3
2
3

Dew Point (°C)

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

Relative Humidity (%)

37
41
52
60
65
76
92
95
95
98
98
98
98
96
98
96
98
96
96
96
96
96
98
96

Pressure (mb)

1010
1010
1010
1011
1012
1013
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

349
349
347
343
342
343
349
350
349
348
349
351
352
354
354
358
361
363
364
364
359
358
357
355

Sunday 12

Waning Crescent 21%

05:04

15:39

17 Bad
18 Bad
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

Sun - Rise: 06:51, Set: 20:17, Transit: 13:34. Moon - Rise: 05:04, Set: 15:39. Civil Dark: 20:47 - 06:20. Nautical Dark: 21:25 - 05:42. Astro Dark: 22:05 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
98
99
99
100
100
100
100
96
93
90
89
90
91
92
91
89
86
88
91
83
81
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
94
100
100
92
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
79
61
56
52
44
47
49
51
57
64
69

Precipitation Amount (mm)

1.5
1.2
1.7
2.1
2
1.3
1
1.1
1.1
1.2
1.2
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
0
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
1
1
2
2

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
98
100
100
98
100

Pressure (mb)

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

Ozone (du)

352
350
352
352
352
353
356
357
359
359
359
360
361
364
367
370
372
373
373
372
372
370
370
373

Monday 13

Waning Crescent 12%

05:23

16:53

17 Bad
18 Bad
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

Sun - Rise: 06:49, Set: 20:18, Transit: 13:34. Moon - Rise: 05:23, Set: 16:53. Civil Dark: 20:49 - 06:18. Nautical Dark: 21:26 - 05:40. Astro Dark: 22:07 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
95
62
32
33
26
21
24
11
21
28
35
56
78
99
99
100
100

Low Clouds (% Sky Obscured)

71
70
64
72
79
82
83
46
31
32
33
26
21
24
11
21
26
24
38
54
70
71
72
73

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
93
82
5
16
25
26
21
24
11
21
28
35
56
78
99
84
65
48

High Clouds (% Sky Obscured)

100
99
99
66
33
0
0
0
0
16
31
26
21
20
6
21
28
35
56
33
6
25
45
80

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
5
7
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

71
65
55
53
48
39
32
26
11
27
33
25
40
46
40
27
30
18
42
56
66
71
72
75

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
2
2
1
1
0
-1
-2
-1
-1
-1
-1
0
2
2
2
2
3
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
96
96
93
93
93
94
94
93
93
93
93
94
96
98
100
98
100

Pressure (mb)

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

Ozone (du)

379
383
384
386
387
387
389
391
396
394
393
394
398
401
407
418
422
427
432
435
439
443
447
452

Tuesday 14

Waning Crescent 6%

05:42

16:53

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

Sun - Rise: 06:47, Set: 20:19, Transit: 13:34. Moon - Rise: 05:42, Set: 16:53. Civil Dark: 20:50 - 06:16. Nautical Dark: 21:28 - 05:38. Astro Dark: 22:08 - 04:57

Total Clouds (% Sky Obscured)

99
99
98
95
90
83
69
56
48
37
24
11
11
11
11
10
10
9
28
47
67
76
85
93

Low Clouds (% Sky Obscured)

77
82
92
85
80
68
46
29
12
11
8
4
6
8
8
8
7
6
24
41
58
64
71
78

Medium Clouds (% Sky Obscured)

41
36
32
23
14
5
5
4
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

ISS Passover

Visibility (miles)

0
1
3
4
5
6
6
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

Very Light Rain
Very 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 (%)

62
53
37
33
28
20
20
16
5
7
7
1
3
2
0
2
2
1
3
4
2
7
7
3

Precipitation Amount (mm)

0.3
0.2
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)

8
5
3
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3

Chance of Frost

Temperature (°C)

7
7
6
6
5
5
4
2
1
0
-1
-1
-2
-1
-0
-0
3
6
8
9
10
11
12
12

Feels Like (°C)

5
5
5
4
3
3
3
2
1
1
-3
-4
-4
-4
-5
-5
0
2
3
4
5
6
10
11

Dew Point (°C)

7
6
6
5
5
4
4
2
0
-1
-2
-3
-3
-2
-2
-2
2
4
6
7
9
10
10
11

Relative Humidity (%)

98
94
94
94
94
96
96
94
93
91
91
89
89
91
89
89
91
90
90
90
90
88
92
93

Pressure (mb)

1014
1015
1016
1016
1017
1019
1020
1020
1021
1022
1022
1022
1022
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1021

Ozone (du)

456
457
458
459
453
448
443
441
439
438
432
426
420
413
405
398
393
389
384
380
376
373
369
366

Wednesday 15

Waning Crescent 2%

06:00

18:09

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

Sun - Rise: 06:45, Set: 20:21, Transit: 13:34. Moon - Rise: 06:00, Set: 18:09. Civil Dark: 20:52 - 06:14. Nautical Dark: 21:30 - 05:36. Astro Dark: 22:10 - 04:55

Total Clouds (% Sky Obscured)

93
94
92
91
92
92
91
89
87
65
43
19
27
34
41
38
35
34
51
65
79

Low Clouds (% Sky Obscured)

81
80
68
65
63
64
72
75
76
63
43
19
26
22
16
16
17
16
32
48
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
18
34
47

High Clouds (% Sky Obscured)

21
47
72
71
69
68
44
20
6
6
6
6
12
18
22
8
1
1
0
0
0

ISS Passover

Visibility (miles)

5
3
2
0
0
0
0
1
3
4
6
8
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

8
10
9
7
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
9
9
8
7
6
5
5
4
4
3
4
4
4
7
9
11
12
13

Feels Like (°C)

10
10
10
9
7
7
6
5
5
6
3
2
2
2
1
1
4
6
7
8
9

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
100
100
100
100
98
96
94
94
93
93
89
89
89
88
88
87
86
84

Pressure (mb)

1021
1021
1022
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021

Ozone (du)

363
361
359
357
357
356
356
353
351
348
347
346
344
344
344
343
343
343
343
342
341

Forecast for Ugine, Savoy, France (45.75,6.42)

Generated: 09/04/26 17:16:33. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+2.00