Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 21%

08:34

01:28

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
19 Bad

Sun - Rise: 05:37, Set: 21:33, Transit: 13:36. Moon - Rise: 08:34, Set: 01:28. Civil Dark: 22:17 - 04:53. Nautical Dark: 23:18 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
97
95
83
77
91
96
93
94
79
82
68
62
94
76
74
84
89
80
55
44
50
67

Low Clouds (% Sky Obscured)

67
72
53
53
56
59
60
69
64
54
54
66
67
35
59
62
52
61
70
56
41
35
36
0

Medium Clouds (% Sky Obscured)

100
76
82
61
68
59
57
63
48
58
32
27
0
26
60
29
73
43
41
32
9
0
33
54

High Clouds (% Sky Obscured)

100
10
10
0
0
3
4
53
47
20
1
6
1
0
0
0
0
0
0
0
0
0
0
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
6
6
8
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
30
3
15
24
4
3
5
5
7
7
9
8
27
55
64
51
38
22
8
9
3
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
12
12
12
13
14
15
15
15
16
17
17
18
18
18
17

Feels Like (°C)

10
10
10
10
10
9
10
10
10
10
10
11
11
12
11
12
12
13
14
13
14
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
95
96
96
96
96
96
95
92
89
82
79
83
85
77
68
63
62
63
63
66

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

370
371
372
376
379
380
380
378
378
382
385
387
388
391
382
379
377
379
382
383
378
375
372
370

Wednesday 20

Waxing Crescent 31%

10:03

02:03

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
19 Bad

Sun - Rise: 05:35, Set: 21:35, Transit: 13:36. Moon - Rise: 10:03, Set: 02:03. Civil Dark: 22:18 - 04:51. Nautical Dark: 23:20 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
77
49
81
93
100
94
100
93
77
80
84
99
96
97
97
84
85
92
100
80
72
58
95

Low Clouds (% Sky Obscured)

45
1
21
37
38
32
22
25
35
41
46
48
47
50
52
39
49
44
25
0
17
60
44
42

Medium Clouds (% Sky Obscured)

56
44
28
17
17
29
30
33
31
50
52
48
58
36
51
55
43
83
46
62
55
42
16
26

High Clouds (% Sky Obscured)

65
57
2
55
76
100
92
100
5
7
57
11
95
57
62
74
1
10
50
96
20
13
2
83

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
0
0
0
4
14
12
3
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)

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

Chance of Frost

Temperature (°C)

16
15
13
12
12
12
12
11
11
11
11
12
13
15
16
17
19
19
20
20
20
20
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
80
90
90
90
92
95
96
98
98
100
98
93
84
75
64
60
57
58
67
57
53
56
59

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

363
356
351
346
344
342
342
343
341
340
339
337
337
336
337
336
338
337
336
336
336
336
334
333

Thursday 21

Waxing Crescent 42%

11:32

02:26

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

Sun - Rise: 05:34, Set: 21:36, Transit: 13:36. Moon - Rise: 11:32, Set: 02:26. Civil Dark: 22:20 - 04:50. Nautical Dark: 23:23 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
46
53
74
42
31
15
20
19
69
73
31
15
3
5
0
12
20
25
31
39
28
21
11

Low Clouds (% Sky Obscured)

40
25
22
0
0
0
0
0
0
0
0
0
0
0
0
0
12
20
25
31
39
28
21
11

Medium Clouds (% Sky Obscured)

22
24
30
31
31
23
12
15
13
12
28
8
6
2
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
4
10
48
9
5
4
0
5
56
58
18
6
3
2
0
0
0
0
0
2
2
3
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 (%)

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
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)

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

Chance of Frost

Temperature (°C)

19
17
15
14
13
13
12
12
12
12
12
13
15
17
20
22
23
24
25
25
26
26
25
25

Feels Like (°C)

20
18
15
14
14
14
12
11
13
12
11
12
15
19
21
23
24
25
26
26
27
27
27
27

Dew Point (°C)

13
12
12
11
10
9
9
9
9
9
9
10
11
12
14
15
15
15
15
15
15
15
15
17

Relative Humidity (%)

69
74
78
79
79
80
80
80
83
83
83
81
76
72
70
65
59
55
52
53
51
52
53
60

Pressure (mb)

1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

332
331
330
329
330
329
327
327
326
326
327
329
332
337
339
340
342
341
342
343
342
342
340
339

Friday 22

Waxing Crescent 53%

12:55

02:42

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 OK
15 OK
16 Bad
17 OK
18 OK
19 OK

Sun - Rise: 05:33, Set: 21:37, Transit: 13:36. Moon - Rise: 12:55, Set: 02:42. Civil Dark: 22:22 - 04:48. Nautical Dark: 23:25 - 03:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
7
3
2
2
2
1
1
1
1
0
1
7
7
2
9
15
12
27
41
65
43
42
45

Low Clouds (% Sky Obscured)

8
4
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
28
38
33
27
21

High Clouds (% Sky Obscured)

4
7
3
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
2
3
1
2
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
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)

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

Chance of Frost

Temperature (°C)

24
21
20
18
17
16
16
16
15
15
15
16
18
20
22
24
25
26
27
27
27
27
27
26

Feels Like (°C)

26
23
20
18
18
17
17
17
16
16
17
18
20
21
23
26
26
27
27
28
28
28
29
29

Dew Point (°C)

18
17
15
14
13
13
13
13
13
13
14
14
14
15
15
16
16
16
16
16
16
16
16
17

Relative Humidity (%)

69
74
74
76
77
78
82
85
86
87
89
87
78
71
66
61
57
54
51
50
49
49
50
56

Pressure (mb)

1026
1026
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

338
335
334
334
335
337
337
337
337
338
337
335
333
331
329
326
326
326
327
328
329
328
327
327

Saturday 23

First Quarter 53%

14:15

02:55

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

Sun - Rise: 05:32, Set: 21:39, Transit: 13:36. Moon - Rise: 14:15, Set: 02:55. Civil Dark: 22:23 - 04:47. Nautical Dark: 23:27 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

29
30
6
35
44
61
66
73
77
68
57
44
2
2
3
2
1
0
1
3
6
20
31
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
6
13
19
13
7
0
0
0
0
0
0
0
1
3
6
14
17
20

Medium Clouds (% Sky Obscured)

14
7
0
11
23
34
41
45
46
38
32
26
0
0
0
0
0
0
0
0
0
4
7
7

High Clouds (% Sky Obscured)

0
0
0
4
9
13
9
4
0
0
0
0
1
2
3
2
1
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
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
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
6
7
7
7
7
7
7
7
7
7
7
8
6
6
7
7
7
7
8
9
10
11
11

Chance of Frost

Temperature (°C)

25
22
20
18
18
17
17
17
16
16
16
17
18
21
23
25
26
27
28
27
27
27
26
24

Feels Like (°C)

27
23
20
20
18
18
17
17
18
18
17
19
20
22
23
24
24
25
26
31
30
29
29
29

Dew Point (°C)

18
17
15
15
16
15
15
15
15
15
15
15
15
16
17
17
17
17
17
17
17
17
17
17

Relative Humidity (%)

65
72
76
82
88
88
89
87
90
90
92
86
80
73
67
61
58
54
51
51
51
52
58
63

Pressure (mb)

1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

329
332
334
336
339
341
344
345
345
345
344
342
339
336
333
330
329
328
326
325
325
324
321
319

Sunday 24

Waxing Gibbous 64%

15:31

03:06

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

Sun - Rise: 05:31, Set: 21:40, Transit: 13:36. Moon - Rise: 15:31, Set: 03:06. Civil Dark: 22:25 - 04:46. Nautical Dark: 23:30 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
35
30
24
20
15
18
13
13
16
19
26
22
12
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

18
12
14
12
9
3
4
4
4
4
6
8
5
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
7
4
4
3
4
6
8
13
16
17
18
13
7
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)

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
1
1
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)

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

Chance of Frost

Temperature (°C)

22
21
21
20
19
18
17
17
16
15
16
17
17
19
21
23
24
25
27
27
27
27
26
25

Feels Like (°C)

29
22
22
21
21
21
21
18
18
18
17
17
16
21
21
21
23
24
25
30
29
29
28
29

Dew Point (°C)

17
17
17
16
16
16
16
16
15
14
14
14
14
15
15
16
16
16
16
16
16
15
16
16

Relative Humidity (%)

72
74
77
80
85
88
93
93
92
93
89
86
82
76
70
64
59
56
52
50
50
48
52
57

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1026

Ozone (du)

317
316
316
315
315
315
315
315
316
316
316
316
316
316
316
317
317
318
319
319
320
321
323
324

Monday 25

Waxing Gibbous 74%

16:45

03:17

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

Sun - Rise: 05:29, Set: 21:42, Transit: 13:36. Moon - Rise: 16:45, Set: 03:17. Civil Dark: 22:26 - 04:44. Nautical Dark: 23:32 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
5
11
18
17
16
15
12
8
4
3
2
1

Low Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
21
19
18
18
18
17
17
17
18
19
20
22
24
26
27
28

Feels Like (°C)

29
26
26
26
25
23
23
19
19
20
20
19
19
24
26
26
27
28

Dew Point (°C)

17
17
16
15
15
15
14
14
15
15
15
15
16
16
16
16
16
16

Relative Humidity (%)

63
68
73
80
80
81
79
83
85
89
83
80
77
68
62
56
52
48

Pressure (mb)

1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1024

Ozone (du)

326
327
327
328
327
327
327
327
328
328
329
329
330
331
331
332
332
332

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 19/05/26 19:50:01. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+2.00