Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 11%

07:37

23:49

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 OK
04 OK
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

Sun - Rise: 05:49, Set: 21:02, Transit: 13:26. Moon - Rise: 07:37, Set: 23:49. Civil Dark: 21:38 - 05:13. Nautical Dark: 22:25 - 04:25. Astro Dark: 23:24 - 03:26

Total Clouds (% Sky Obscured)

85
88
76
78
57
38
57
65
49
23
38
56
100
100
100
95
96
97
100
100
100
100
99
96

Low Clouds (% Sky Obscured)

36
40
29
20
35
25
23
19
18
13
1
1
1
1
1
34
44
45
75
98
91
100
94
90

Medium Clouds (% Sky Obscured)

85
66
48
31
9
4
2
0
2
6
5
6
6
9
19
48
46
72
100
100
100
100
97
93

High Clouds (% Sky Obscured)

35
0
3
46
21
2
30
45
28
7
30
43
100
100
100
87
85
85
100
100
83
85
24
4

ISS Passover

Visibility (miles)

6
4
3
8
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
37
33
21
6
3
2
4
7
11
14
5
2
2
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
None
Very Light Rain
None
None

Precipitation Probability (%)

65
55
62
32
6
0
0
0
0
0
0
0
0
0
0
0
0
2
13
32
41
51
45
39

Precipitation Amount (mm)

0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

4
3
3
3
4
4
5
5
5
5
5
5
5
4
2
0
2
3
4
6
5
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
6
3
3
3
1
1
1
2
1
1
1
5
7
10
11
11
10
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
96
94
94
94
94
93
93
93
93
91
89
87
77
67
56
54
61
73
83
87
85

Pressure (mb)

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

Ozone (du)

395
391
383
379
375
376
373
369
362
358
355
353
352
351
351
352
352
351
351
356
361
363
363
360

Tuesday 19

Waxing Crescent 20%

08:55

00:46

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
17 Bad

Sun - Rise: 05:48, Set: 21:03, Transit: 13:26. Moon - Rise: 08:55, Set: 00:46. Civil Dark: 21:39 - 05:12. Nautical Dark: 22:27 - 04:24. Astro Dark: 23:27 - 03:23

Total Clouds (% Sky Obscured)

90
99
95
92
90
97
100
95
98
99
98
99
95
100
100
90
98
93
94
93
84
50
56
66

Low Clouds (% Sky Obscured)

58
40
30
29
68
84
57
60
88
99
97
59
73
59
35
36
71
88
75
82
77
50
56
63

Medium Clouds (% Sky Obscured)

83
44
40
64
85
95
100
87
95
94
63
53
3
7
57
75
52
41
40
38
39
31
44
40

High Clouds (% Sky Obscured)

15
97
68
69
5
3
4
0
0
0
3
46
38
100
100
47
55
0
4
5
1
0
4
6

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
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
Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

25
6
0
1
1
10
44
62
71
42
22
25
15
6
2
2
25
22
24
43
51
42
41
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
11
8
7
8
7
7
7
7
8
8
8
8
9
11
12
14
14
15
15
16
17
16

Feels Like (°C)

10
12
10
7
5
5
5
5
5
5
6
6
6
7
9
10
11
12
13
13
14
16
18
17

Dew Point (°C)

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

Relative Humidity (%)

81
75
84
93
94
90
85
90
91
96
93
95
93
93
90
84
77
71
69
66
65
62
59
64

Pressure (mb)

1021
1021
1022
1022
1023
1024
1023
1024
1024
1024
1024
1024
1025
1025
1026
1025
1025
1026
1026
1025
1025
1026
1025
1026

Ozone (du)

359
356
353
352
351
350
349
349
346
344
345
341
339
339
339
340
342
346
346
346
347
347
347
346

Wednesday 20

Waxing Crescent 18%

10:18

01:28

18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 Bad
03 OK
04 OK
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

Sun - Rise: 05:47, Set: 21:04, Transit: 13:26. Moon - Rise: 10:18, Set: 01:28. Civil Dark: 21:41 - 05:11. Nautical Dark: 22:29 - 04:22. Astro Dark: 23:29 - 03:21

Total Clouds (% Sky Obscured)

91
44
39
42
47
42
38
38
41
31
35
60
72
89
89
88
72
100
98
66
68
81
87
74

Low Clouds (% Sky Obscured)

45
44
39
42
47
42
38
38
41
31
35
24
6
0
0
0
7
15
22
33
43
50
53
43

Medium Clouds (% Sky Obscured)

47
28
17
5
5
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
8
0
0
2
0
0
0
10
10
12
60
72
89
89
88
72
100
94
37
42
55
64
45

ISS Passover

Visibility (miles)

4
7
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
10
20
13
1
0
0
0
2
9
14
16
17
17
17
17
17
17
17
17
17
17

Precipitation Type

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
None

Precipitation Probability (%)

39
23
9
9
11
13
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

15
15
13
10
9
9
8
8
7
7
7
7
7
8
10
13
15
16
18
19
19
20
21
20

Feels Like (°C)

16
15
15
12
9
9
8
8
7
7
7
6
7
8
10
12
14
16
16
17
18
18
19
18

Dew Point (°C)

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

Relative Humidity (%)

74
82
84
90
93
93
95
93
93
93
91
93
93
90
84
76
64
54
48
44
41
40
41
43

Pressure (mb)

1026
1026
1027
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025

Ozone (du)

344
344
342
339
337
336
336
334
333
333
333
333
331
330
329
328
327
327
327
326
327
327
326
325

Thursday 21

Waxing Crescent 31%

11:39

01:58

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

Sun - Rise: 05:46, Set: 21:05, Transit: 13:26. Moon - Rise: 11:39, Set: 01:58. Civil Dark: 21:42 - 05:09. Nautical Dark: 22:30 - 04:21. Astro Dark: 23:31 - 03:19

Total Clouds (% Sky Obscured)

62
48
18
41
35
34
37
4
32
36
31
12
4
4
6
11
10
13
16
20
29
25
28
20

Low Clouds (% Sky Obscured)

32
20
12
6
0
0
0
0
0
0
0
0
0
0
1
3
4
10
14
20
21
20
19
13

Medium Clouds (% Sky Obscured)

2
1
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)

26
9
1
10
10
10
23
3
28
31
25
8
2
2
2
4
6
7
8
9
23
25
28
20

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 (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

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)

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

Chance of Frost

Temperature (°C)

19
18
16
13
12
11
10
10
10
10
9
9
9
10
13
15
17
19
20
21
22
22
22
22

Feels Like (°C)

18
17
15
14
10
10
9
8
10
8
8
8
9
11
15
16
18
19
20
22
22
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

48
60
74
83
83
84
84
84
84
84
84
85
85
81
71
62
57
53
49
45
43
41
41
42

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025

Ozone (du)

325
325
324
324
323
322
322
322
322
322
321
318
317
317
317
317
317
317
317
317
317
317
317
317

Friday 22

Waxing Crescent 42%

12:56

02:21

18 Good
19 Good
20 Good
21 Good
22 Good
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 OK
17 OK

Sun - Rise: 05:45, Set: 21:06, Transit: 13:26. Moon - Rise: 12:56, Set: 02:21. Civil Dark: 21:43 - 05:08. Nautical Dark: 22:32 - 04:19. Astro Dark: 23:34 - 03:17

Total Clouds (% Sky Obscured)

15
7
2
0
2
4
5
5
5
5
5
5
5
6
9
10
12
11
7
6
6
5
4
5

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
6
6
6
5
4
5

High Clouds (% Sky Obscured)

15
1
0
0
0
1
1
0
0
1
1
1
1
1
9
10
12
11
7
4
6
5
4
4

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 (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

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
0
0
0
0
0
1
5
11
13
20
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
20
17
15
13
13
12
12
12
11
11
12
14
17
17
18
20
19
20
21
25
24
23

Dew Point (°C)

9
12
13
12
11
10
9
9
9
8
8
8
8
9
9
9
10
11
10
10
10
10
9
9

Relative Humidity (%)

44
58
72
79
82
84
81
83
80
80
80
80
81
79
68
63
57
54
49
45
42
42
41
40

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

317
317
317
319
320
321
322
323
324
325
326
327
328
329
330
330
330
330
331
331
332
331
330
330

Saturday 23

First Quarter 53%

14:09

02:39

18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 OK
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

Sun - Rise: 05:45, Set: 21:07, Transit: 13:27. Moon - Rise: 14:09, Set: 02:39. Civil Dark: 21:45 - 05:07. Nautical Dark: 22:33 - 04:18. Astro Dark: 23:36 - 03:14

Total Clouds (% Sky Obscured)

6
6
6
5
4
3
6
10
15
20
25
20
26
26
26
20
20
26
26
22
17
17
27
32

Low Clouds (% Sky Obscured)

6
6
6
5
4
3
6
10
15
20
18
19
10
5
10
14
17
20
20
19
15
17
17
21

Medium Clouds (% Sky Obscured)

6
6
6
5
4
3
6
10
15
20
22
20
26
26
26
20
20
26
26
22
17
17
27
21

High Clouds (% Sky Obscured)

5
4
6
5
4
3
6
10
15
20
25
20
26
26
26
20
20
26
26
22
17
17
27
32

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 (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

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

Precipitation Probability (%)

32
28
27
29
30
52
46
40
49
71
79
65
73
87
72
61
66
68
73
92
88
92
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0.2
0.5
0.9
0.4
0.5
1.1
0.5
0.2
0.5
0.4
0.4
1
0.7
0.7
1.5
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
23
18
18
19
18
17
16
13
13
13
12
12
11
16
17
17
18
18
18
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

49
59
70
73
78
82
80
80
81
81
81
80
76
74
69
65
60
56
52
47
42
41
41
40

Pressure (mb)

1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

330
330
329
330
331
332
332
333
334
334
333
333
333
334
334
334
334
335
337
339
341
339
337
335

Sunday 24

Waxing Gibbous 64%

15:19

02:56

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

Sun - Rise: 05:44, Set: 21:09, Transit: 13:27. Moon - Rise: 15:19, Set: 02:56. Civil Dark: 21:46 - 05:06. Nautical Dark: 22:35 - 04:17. Astro Dark: 23:39 - 03:12

Total Clouds (% Sky Obscured)

31
41
47
48
49
30
16
12
22
32
42
34
25
17
16
16
16
22
30
34

Low Clouds (% Sky Obscured)

21
25
38
37
34
21
11
0
0
0
0
0
0
0
3
6
12
14
16
19

Medium Clouds (% Sky Obscured)

11
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
41
47
43
34
28
16
8
17
28
37
29
21
14
12
10
7
6
4
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

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

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

Precipitation Probability (%)

85
79
61
43
7
9
9
2
2
5
0
0
0
0
0
0
0
1
1
1

Precipitation Amount (mm)

0.6
0.7
0.3
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
3
4
4
4
4
4
4
3
2
1
1
2
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
21
17
18
18
17
17
16
13
13
12
12
11
10
17
18
19
19
20

Dew Point (°C)

8
10
11
11
11
11
10
10
9
9
9
8
9
9
9
10
10
11
10
9

Relative Humidity (%)

48
58
68
73
78
83
83
83
83
83
84
84
80
75
71
66
60
56
50
45

Pressure (mb)

1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

333
331
328
328
327
326
324
322
320
319
318
317
316
315
314
315
315
316
316
315

Forecast for Niedermuhlern, Bern-Mittelland District, Switzerland (46.86,7.47)

Generated: 18/05/26 18:38:13. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+2.00