Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 26

Waxing Gibbous 82%

16:45

03:17

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

Sun - Rise: 05:29, Set: 21:43, Transit: 13:36. Moon - Rise: 16:45, Set: 03:17. Civil Dark: 22:28 - 04:44. Nautical Dark: 23:34 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
1
0
1
1
1
2
3
0
0
0
0
0
0
0
0
0
0
0
8
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
1
1
1
2
3
0
0
0
0
0
0
0
0
0
0
0
7
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)

3
3
3
4
4
4
4
4
4
4
3
3
2
2
2
3
3
4
4
7
7
7
7
7

Chance of Frost

Temperature (°C)

18
17
16
15
15
14
16
18
20
23
25
27
28
29
30
30
30
30
29
27
24
21
19
18

Feels Like (°C)

20
19
18
16
16
15
17
20
22
25
27
29
30
31
31
32
32
33
32
28
25
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
72
71
71
70
64
59
53
47
41
37
35
34
34
35
38
43
53
63
70
75
76

Pressure (mb)

1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1028
1028
1027
1026
1026
1025
1025
1024
1024
1024
1025
1025
1025

Ozone (du)

310
310
311
310
310
312
313
314
314
312
313
315
314
314
315
317
318
319
319
319
320
319
319
320

Wednesday 27

Waxing Gibbous 89%

17:59

03:27

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

Sun - Rise: 05:28, Set: 21:44, Transit: 13:36. Moon - Rise: 17:59, Set: 03:27. Civil Dark: 22:30 - 04:43. Nautical Dark: 23:37 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
1
37
52
47
46
52
49
59
45
33
29
33
16
9
10
28
53
54
28
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
22
11
13
16
15
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
24
43
34
31
25
27
27
20
23
25
20
11
4
3
0
0
1
3
0
0
0
0

High Clouds (% Sky Obscured)

0
0
4
2
1
0
0
1
0
2
2
0
12
1
0
6
28
53
54
26
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
1
2
2
1
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)

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

Chance of Frost

Temperature (°C)

16
16
15
14
14
14
14
15
17
18
19
21
22
22
23
23
22
21
21
19
17
15
14
13

Feels Like (°C)

17
16
15
14
14
13
14
14
15
16
18
20
21
21
21
21
21
20
19
18
16
14
13
11

Dew Point (°C)

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

Relative Humidity (%)

74
77
84
90
93
90
80
73
65
58
52
48
46
44
45
44
45
46
50
53
57
59
64
69

Pressure (mb)

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

Ozone (du)

321
321
320
320
319
319
319
321
321
321
320
320
319
321
323
324
324
325
326
328
329
331
333
335

Thursday 28

Waxing Gibbous 94%

19:14

03:40

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

Sun - Rise: 05:27, Set: 21:45, Transit: 13:36. Moon - Rise: 19:14, Set: 03:40. Civil Dark: 22:31 - 04:42. Nautical Dark: 23:39 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
6
3
2
0
1
89
100
100
97
90
27
20
15
6
17
76
81
16
34
52
81
83
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
29
19
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
26
23
0
0
0
0
0
7
12
36
11
12
8
9
6
3

High Clouds (% Sky Obscured)

0
6
3
2
0
1
85
96
97
96
90
23
15
15
5
5
68
80
2
27
48
80
83
39

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
Very Light Rain
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
34
14
6
4
2
6
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
9
9
9
10
11
13
15
17
19
21
22
23
24
24
24
23
22
20
19
18
17

Feels Like (°C)

10
9
9
8
8
8
9
10
12
14
16
18
19
20
21
23
24
24
23
22
21
19
17
15

Dew Point (°C)

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

Relative Humidity (%)

72
74
77
80
81
81
76
65
55
47
42
37
35
34
33
34
35
37
43
52
61
65
67
65

Pressure (mb)

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

Ozone (du)

335
335
334
335
337
337
337
337
339
341
340
340
341
342
343
343
343
341
340
341
343
342
340
338

Friday 29

Waxing Gibbous 98%

20:29

03:55

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

Sun - Rise: 05:26, Set: 21:47, Transit: 13:37. Moon - Rise: 20:29, Set: 03:55. Civil Dark: 22:33 - 04:40. Nautical Dark: 23:41 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
55
50
33
28
44
63
57
40
12
12
9
15
44
73
100
99
98
97
81
65
52
68
80

Low Clouds (% Sky Obscured)

0
0
0
0
11
21
34
24
13
0
0
0
0
2
4
7
4
2
0
8
15
21
18
15

Medium Clouds (% Sky Obscured)

0
0
0
3
1
3
3
3
3
2
2
3
15
40
37
31
19
53
40
27
22
26
54
53

High Clouds (% Sky Obscured)

52
55
50
33
18
25
36
44
22
3
2
4
6
37
69
100
97
94
91
60
34
5
9
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
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 (%)

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

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

Chance of Frost

Temperature (°C)

15
14
13
13
12
13
14
16
18
21
23
24
25
27
27
27
27
25
23
21
19
18
17
16

Feels Like (°C)

14
11
11
10
11
12
14
16
17
19
21
22
24
25
26
26
26
24
23
21
19
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

64
64
69
69
70
69
67
60
53
48
45
43
42
44
46
45
46
50
55
60
64
67
71
74

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

337
335
337
338
346
348
346
343
341
339
338
337
336
335
335
334
332
330
329
327
327
326
325
325

Saturday 30

Waxing Gibbous 99%

21:41

04:15

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

Sun - Rise: 05:26, Set: 21:48, Transit: 13:37. Moon - Rise: 21:41, Set: 04:15. Civil Dark: 22:34 - 04:39. Nautical Dark: 23:43 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
91
85
82
69
54
43
41
40
44
38
34
30
24
18
13
10
11
11
15
24
39
62
82

Low Clouds (% Sky Obscured)

14
12
9
8
6
3
0
13
25
38
30
22
16
13
10
6
7
7
7
11
16
21
17
12

Medium Clouds (% Sky Obscured)

76
85
82
80
69
54
43
41
30
32
5
7
8
11
16
13
10
11
11
15
24
39
62
68

High Clouds (% Sky Obscured)

11
7
4
0
0
0
0
0
0
0
2
4
6
4
2
0
0
0
0
0
0
0
33
67

ISS Passover

Visibility (miles)

9
9
9
7
9
9
2
9
9
9
9
9
9
9
9
9
9
9
8
8
6
4
2
3

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

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

Precipitation Probability (%)

85
17
53
95
21
60
43
39
9
1
1
1
0
4
5
3
72
94
95
77
71
78
95
95

Precipitation Amount (mm)

0.6
0
0
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.4
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
16
16
15
16
16
18
21
22
23
27
28
28
29
29
28
29
30
31
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

78
87
87
90
92
93
90
87
81
71
63
59
54
49
48
47
46
58
73
90
92
92
93
95

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

325
326
329
329
330
333
338
343
348
350
354
352
351
348
347
346
345
344
343
342
342
343
343
347

Sunday 31

Full Moon 100%

22:47

04:42

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:25, Set: 21:49, Transit: 13:37. Moon - Rise: 22:47, Set: 04:42. Civil Dark: 22:35 - 04:38. Nautical Dark: 23:45 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
91
88
86
83
78
71
71
66
63
64

Low Clouds (% Sky Obscured)

8
31
45
55
50
45
40
36
32
28
31
32
33
40
46
50
47
48
48
35
21
8
16
24

Medium Clouds (% Sky Obscured)

66
59
57
55
59
64
69
72
80
86
90
94
96
93
90
86
63
40
17
13
7
2
9
19

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
87
80
57
34
2
30
59
78
71
71
66
63
54

ISS Passover

Visibility (miles)

4
4
6
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
0
0
0
0
0
0
0
0
0
0
0
0
0
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
None
None
None

Precipitation Probability (%)

95
86
62
32
34
30
13
25
25
12
21
24
28
30
32
28
22
15
7
9
7
1
3
6

Precipitation Amount (mm)

0.7
0.6
0.3
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
7
6
6
6
7
7
7
7
7
8
9
10
11
10
9
8
7
7
7
5
4
3
3

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
15
15
16
17
17
18
19
19
19
19
19
18
18
18
17
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
100
96
95
93
86
79
73
67
62
56
57
58
59
61
63
65
72
79
87
87

Pressure (mb)

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

Ozone (du)

350
353
349
346
342
341
339
337
340
344
347
351
356
361
360
360
360
357
355
352
351
349
348
348

Monday 1

Waning Gibbous 100%

23:42

05:20

Sun - Rise: 05:24, Set: 21:50, Transit: 13:37. Moon - Rise: 23:42, Set: 05:20. Civil Dark: 22:37 - 04:37. Nautical Dark: 23:47 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 26/05/26 01:21:49. Forecast: 26/05/26 to 01/06/26. Timezone: UTC+2.00