Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 24

Waxing Gibbous 74%

15:31

03:06

22 OK
23 OK
00 OK
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
19 Good
20 Good
21 Good

Sun - Rise: 05:31, Set: 21:42, 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)

40
31
25
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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)

1
1
8
1
1
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
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

20
18
17
15
15
14
14
13
13
14
16
19
21
23
25
26
27
28
28
28
28
27
26
23

Feels Like (°C)

21
19
18
16
16
16
14
14
14
16
18
20
23
24
27
28
29
30
30
30
30
31
28
25

Dew Point (°C)

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

Relative Humidity (%)

78
81
81
80
82
84
86
87
89
84
75
68
60
54
48
45
42
41
41
42
44
51
59
65

Pressure (mb)

1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1032
1032
1032
1031
1031
1031
1031
1031
1030
1030

Ozone (du)

317
317
317
316
316
315
315
315
315
315
314
314
314
314
313
312
311
311
311
312
312
312
312
311

Monday 25

Waxing Gibbous 70%

16:45

03:17

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 Good
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 05:29, Set: 21:43, 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
1
1
1
0
0
0
4
3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0

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
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)

0
0
0
0
0
0
0
3
1
1
1
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
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
5
4
4
4
4
4
3
4
4
4
4
4
4
4
4
4
4
3
3
3
4
7
8

Chance of Frost

Temperature (°C)

21
19
18
18
17
16
16
16
15
16
18
21
23
25
26
28
29
29
30
30
29
29
26
22

Feels Like (°C)

22
21
21
20
19
18
17
17
17
18
20
22
24
27
28
30
30
31
32
32
32
32
27
24

Dew Point (°C)

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

Relative Humidity (%)

68
72
76
78
78
78
79
77
77
73
66
61
55
50
45
41
39
38
38
38
39
47
57
72

Pressure (mb)

1031
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1028
1027
1027
1026
1026
1025
1025
1025
1025

Ozone (du)

311
312
312
311
312
312
311
311
311
311
310
311
313
315
316
319
319
317
316
315
316
317
318
320

Tuesday 26

Waxing Gibbous 82%

17:59

03:27

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

Sun - Rise: 05:28, Set: 21:44, Transit: 13:36. Moon - Rise: 17:59, Set: 03:27. Civil Dark: 22:28 - 04:43. Nautical Dark: 23:34 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
31
69
79
72
37
0
88
32
47
24
19
40
16
16
23
25
20
20
25
30
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
39
42
0
0
34
30
47
20
14
38
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
23
52
50
42
28
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
0
69
0
3
3
6
6
13
16
23
25
20
20
25
20
30

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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)

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

Chance of Frost

Temperature (°C)

20
18
17
16
15
15
14
14
13
13
14
15
16
17
18
19
20
21
21
20
19
18
17
15

Feels Like (°C)

21
19
17
16
16
16
14
13
12
12
13
13
14
14
17
18
18
18
18
17
16
15
13
12

Dew Point (°C)

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

Relative Humidity (%)

75
76
74
78
87
95
93
92
89
84
71
61
55
49
46
43
41
39
39
40
44
46
51
56

Pressure (mb)

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

Ozone (du)

321
323
324
323
323
325
327
327
328
326
324
322
322
325
327
328
328
329
329
329
328
328
327
327

Wednesday 27

Waxing Gibbous 89%

19:14

03:40

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

Sun - Rise: 05:27, Set: 21:45, Transit: 13:36. Moon - Rise: 19:14, Set: 03:40. Civil Dark: 22:30 - 04:42. Nautical Dark: 23:37 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
35
30
24
13
2
1
1
2
1
11
21
33
24
13
0
1
2
14
29
42
56
72
86

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
10
13
16
16

High Clouds (% Sky Obscured)

30
35
30
24
13
2
1
1
2
1
10
21
33
24
13
0
0
0
0
11
22
33
55
79

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)

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

Chance of Frost

Temperature (°C)

14
12
11
10
9
9
8
8
8
9
11
13
15
16
18
19
21
21
22
22
22
22
21
18

Feels Like (°C)

10
10
8
7
7
7
7
7
7
8
10
12
13
15
17
19
20
20
22
20
21
20
20
17

Dew Point (°C)

6
6
5
5
4
4
3
3
4
4
4
3
3
3
3
3
4
5
6
6
8
10
11
12

Relative Humidity (%)

59
63
66
68
69
72
71
73
74
72
60
51
45
40
36
33
33
33
34
35
39
47
55
64

Pressure (mb)

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

Ozone (du)

327
328
329
330
330
331
332
333
334
335
334
335
338
339
340
341
342
343
343
344
343
341
340
338

Thursday 28

Waxing Gibbous 94%

20:29

03:55

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

Sun - Rise: 05:26, Set: 21:47, Transit: 13:37. Moon - Rise: 20:29, Set: 03:55. Civil Dark: 22:31 - 04:40. Nautical Dark: 23:39 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
85
75
70
57
52
40
49
60
66
78
91
95
79
61
52
55
60
64
76
87
99
100
100

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)

16
11
6
0
10
20
30
34
35
36
38
37
32
31
26
52
41
28
15
17
16
13
11
12

High Clouds (% Sky Obscured)

100
85
75
70
57
43
14
22
30
38
59
79
95
72
45
17
33
49
64
76
87
99
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
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
1
2
5
8
6
0
5
4
0
2
2
1
2
1

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

Chance of Frost

Temperature (°C)

17
15
15
14
13
13
12
12
12
14
16
18
20
22
23
24
25
26
26
27
25
25
24
22

Feels Like (°C)

15
14
14
14
13
12
12
12
12
14
15
18
20
22
23
24
24
25
25
25
25
25
25
23

Dew Point (°C)

11
9
8
8
8
8
8
8
8
9
9
10
10
11
11
11
12
13
13
14
14
15
16
15

Relative Humidity (%)

67
67
64
66
70
72
75
75
75
72
65
58
53
49
45
44
42
43
43
44
48
54
60
64

Pressure (mb)

1022
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

337
336
335
334
334
333
334
335
337
337
337
336
335
335
336
336
336
337
338
338
339
340
342
341

Friday 29

Waxing Gibbous 98%

21:41

04:15

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
21 Bad

Sun - Rise: 05:26, Set: 21:48, Transit: 13:37. Moon - Rise: 21:41, Set: 04:15. Civil Dark: 22:33 - 04:39. Nautical Dark: 23:41 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
100
100
100
100
100
100
100
95
90
86
83
80
77
85
94
100
94
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
17
27
28
26
24
25
26
27
32
39
46
32
19

Medium Clouds (% Sky Obscured)

16
33
59
77
87
93
100
100
100
100
95
90
85
84
86
86
81
73
64
76
88
100
76
53

High Clouds (% Sky Obscured)

100
100
99
99
99
99
100
100
100
100
100
99
99
76
53
30
30
15
5
33
67
100
94
90

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
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Ice pellet
Ice pellet
Ice pellet
Ice pellet

Precipitation Probability (%)

0
2
2
1
12
20
23
33
35
33
45
54
23
20
22
25
23
23
17
73
92
95
92
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0.4
0.6
1.4
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
18
17
17
17
17
17
18
19
21
22
24
24
25
25
26
27
27
26
24
23
22

Feels Like (°C)

23
23
22
22
21
17
17
18
17
17
17
20
20
20
22
23
24
26
25
26
26
26
26
22

Dew Point (°C)

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

Relative Humidity (%)

68
73
75
78
81
81
83
85
76
69
61
58
55
52
51
47
46
45
45
46
54
63
74
80

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013
1012
1011
1011
1011
1010
1010

Ozone (du)

341
340
340
340
340
339
339
338
338
338
337
337
336
336
336
337
337
338
338
339
339
340
340
341

Saturday 30

Waxing Gibbous 100%

No Rise

04:42

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 OK
19 Good

Sun - Rise: 05:25, Set: 21:49, Transit: 13:37. Moon - Rise: No Rise, Set: 04:42. Civil Dark: 22:34 - 04:38. Nautical Dark: 23:43 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
90
95
99
99
99
99
99
100
100
90
79
67
65
62
59
58
58
58
43
28
10

Low Clouds (% Sky Obscured)

4
15
26
35
30
28
28
36
41
53
53
57
59
54
46
39
36
33
31
24
18
9

Medium Clouds (% Sky Obscured)

28
37
46
54
52
53
51
67
84
100
90
79
67
58
44
33
29
25
22
15
7
1

High Clouds (% Sky Obscured)

85
90
93
96
97
98
99
86
73
61
55
51
45
40
33
16
20
25
30
31
28
10

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

Fog (%)

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

Precipitation Type

Ice pellet
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
80
58
38
37
31
12
30
43
50
64
54
40
29
18
8
11
11
0
4
6
3

Precipitation Amount (mm)

0.7
0.5
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
10
11
13
13
12
12
12
13
14
15
17
18
18
18
19
19
19
19
18
17

Chance of Frost

Temperature (°C)

21
20
20
19
19
18
17
16
16
16
16
17
18
19
20
20
21
21
21
21
20
20

Feels Like (°C)

23
23
23
22
22
18
18
17
17
16
16
16
16
16
16
16
17
20
19
19
19
19

Dew Point (°C)

18
19
18
18
17
16
16
15
15
15
15
13
12
11
11
11
12
12
12
12
12
12

Relative Humidity (%)

85
92
92
91
90
92
93
95
93
92
89
77
66
58
57
55
54
55
57
59
60
62

Pressure (mb)

1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

342
343
347
351
355
355
355
355
354
354
353
351
350
348
348
349
349
346
344
342
341
339

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

Generated: 24/05/26 22:05:38. Forecast: 24/05/26 to 30/05/26. Timezone: UTC+2.00