Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 3

Waning Gibbous 71%

22:49

11:41

09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 Bad
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

Sun - Rise: 06:06, Set: 21:26, Transit: 13:45. Moon - Rise: 22:49, Set: 11:41. Civil Dark: 22:07 - 05:26. Nautical Dark: 23:01 - 04:32. Astro Dark: 00:17 - 03:18

Total Clouds (% Sky Obscured)

94
91
89
25
24
13
14
65
99
98
66
100
97
100
100
100
100
100
77
100
100
96
94
70

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
0
0
0
0
0
0
0
0
1
2
45
34
4
0
0
0

Medium Clouds (% Sky Obscured)

30
28
24
19
6
0
0
0
0
2
3
22
30
72
39
58
78
80
75
90
58
33
39
25

High Clouds (% Sky Obscured)

3
0
1
2
18
11
12
65
99
98
58
100
97
73
100
73
100
88
58
100
100
83
40
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
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
3
0
0
0
2
4
0
0
1
14
35
13
24
3
0
2
3

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

Chance of Frost

Temperature (°C)

21
23
25
28
31
32
34
34
34
34
32
29
27
24
23
22
22
22
21
22
21
21
21
23

Feels Like (°C)

20
23
25
29
31
32
33
34
32
31
29
28
26
24
23
22
22
22
21
22
21
21
22
23

Dew Point (°C)

8
8
8
10
11
10
9
9
8
8
10
11
12
11
10
11
11
10
11
12
12
14
14
14

Relative Humidity (%)

43
37
33
30
29
25
22
20
19
21
26
32
39
44
42
48
50
47
53
53
57
64
64
57

Pressure (mb)

1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1009
1010
1009
1009
1009

Ozone (du)

328
328
326
324
323
322
322
321
321
320
319
318
317
316
315
319
321
318
317
320
320
321
322
320

Tuesday 4

Waning Gibbous 60%

23:02

13:02

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

Sun - Rise: 06:08, Set: 21:24, Transit: 13:45. Moon - Rise: 23:02, Set: 13:02. Civil Dark: 22:05 - 05:27. Nautical Dark: 22:59 - 04:34. Astro Dark: 00:13 - 03:22

Total Clouds (% Sky Obscured)

84
71
85
87
78
85
64
58
24
70
65
42
44
36
29
51
74
89
40
47
83
84
81
82

Low Clouds (% Sky Obscured)

0
2
1
19
41
39
48
50
0
4
6
0
0
0
0
5
40
59
13
31
83
84
66
74

Medium Clouds (% Sky Obscured)

73
70
85
87
78
85
64
58
24
26
65
38
33
23
21
34
74
44
32
34
27
31
33
29

High Clouds (% Sky Obscured)

45
40
45
45
45
16
28
12
5
67
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 (%)

3
0
0
3
13
1
1
1
0
2
3
1
0
0
0
0
1
0
0
0
5
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)

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

Chance of Frost

Temperature (°C)

24
26
28
29
30
29
29
29
29
30
28
26
24
22
22
21
21
21
22
21
20
20
21
21

Feels Like (°C)

23
25
26
28
27
28
28
28
28
29
26
23
24
24
23
22
22
20
21
22
21
20
19
19

Dew Point (°C)

14
15
15
14
15
20
19
18
19
15
11
12
14
15
16
15
15
14
14
15
16
15
15
14

Relative Humidity (%)

53
51
44
40
40
57
53
50
55
40
34
42
53
61
68
69
71
64
61
68
75
71
69
66

Pressure (mb)

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

Ozone (du)

318
317
315
313
312
312
310
311
311
310
310
308
308
309
308
308
308
309
309
309
309
309
309
309

Wednesday 5

Waning Gibbous 49%

23:19

14:26

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

Sun - Rise: 06:09, Set: 21:22, Transit: 13:45. Moon - Rise: 23:19, Set: 14:26. Civil Dark: 22:03 - 05:29. Nautical Dark: 22:56 - 04:36. Astro Dark: 00:08 - 03:26

Total Clouds (% Sky Obscured)

76
52
53
51
57
47
34
33
27
11
0
0
6
20
19
38
32
27
19
20
15
13
18
37

Low Clouds (% Sky Obscured)

64
33
32
29
32
20
16
14
16
7
0
0
5
17
18
28
28
18
11
7
4
2
0
8

Medium Clouds (% Sky Obscured)

29
15
17
23
33
23
15
2
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
7
1
0
0
0
1
0
0
0
1
2
2
5
4
4
8
14

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
1
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)

13
14
16
17
17
18
18
18
17
17
15
13
11
11
11
11
10
10
9
8
8
9
9
10

Chance of Frost

Temperature (°C)

21
22
24
24
26
26
26
26
25
25
24
23
21
19
18
18
17
16
15
15
14
15
15
16

Feels Like (°C)

19
20
21
22
23
23
23
22
22
22
21
21
20
17
17
16
17
16
16
15
14
14
15
15

Dew Point (°C)

14
13
12
10
10
10
11
10
10
10
11
10
11
10
11
11
12
12
13
13
12
12
11
10

Relative Humidity (%)

61
54
46
41
38
38
38
37
37
39
43
45
51
55
60
66
71
77
83
86
83
82
76
64

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

309
310
311
312
311
311
310
311
311
311
311
312
313
316
317
318
317
317
317
317
318
319
318
317

Thursday 6

Third Quarter 37%

23:43

15:54

09 OK
10 OK
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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:11, Set: 21:21, Transit: 13:45. Moon - Rise: 23:43, Set: 15:54. Civil Dark: 22:00 - 05:31. Nautical Dark: 22:54 - 04:39. Astro Dark: 00:04 - 03:30

Total Clouds (% Sky Obscured)

32
39
48
53
57
62
66
67
81
88
85
76
83
72
70
79
70
63
58
64
59
50
59
64

Low Clouds (% Sky Obscured)

18
29
35
39
40
40
42
47
62
71
62
49
50
35
39
42
46
37
32
22
19
20
20
23

Medium Clouds (% Sky Obscured)

1
1
9
18
27
31
30
30
31
33
35
34
32
35
30
38
37
34
30
22
21
22
20
17

High Clouds (% Sky Obscured)

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

13
14
16
17
17
17
17
16
15
14
13
11
8
6
5
4
4
5
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

18
20
21
22
22
22
22
22
21
21
20
19
18
17
16
15
15
15
14
14
14
14
14
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
42
37
37
35
34
37
39
41
46
47
50
60
67
73
75
78
79
80
80
82
86
87
77

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

317
320
322
327
331
335
342
343
341
340
336
331
330
329
326
326
325
323
322
323
324
324
324
326

Friday 7

Waning Crescent 35%

00:20

17:21

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:12, Set: 21:19, Transit: 13:45. Moon - Rise: 00:20, Set: 17:21. Civil Dark: 21:58 - 05:33. Nautical Dark: 22:51 - 04:41. Astro Dark: 00:00 - 03:33

Total Clouds (% Sky Obscured)

70
77
82
74
56
60
59
64
70
71
77
55
42
34
56
78
100
100
100
100
90
77
63
52

Low Clouds (% Sky Obscured)

28
39
35
45
38
33
36
34
33
28
25
14
7
0
1
2
4
3
2
0
2
3
6
5

Medium Clouds (% Sky Obscured)

15
12
18
26
33
35
34
36
41
47
52
11
8
6
10
15
20
29
35
42
42
39
35
30

High Clouds (% Sky Obscured)

10
10
20
15
0
22
40
63
63
65
62
55
38
20
47
73
100
100
100
100
82
61
40
27

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 (%)

8
1
4
5
0
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
1
4
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)

4
4
5
5
6
8
9
10
10
10
9
8
5
5
5
4
4
5
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

17
19
21
22
23
24
24
24
24
23
22
21
19
17
15
15
15
14
14
14
14
15
15
16

Feels Like (°C)

17
19
20
20
22
23
22
22
22
21
21
20
19
18
18
16
16
15
12
12
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

68
58
50
42
35
31
29
29
31
33
36
39
47
58
72
69
68
68
68
68
68
63
60
57

Pressure (mb)

1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018

Ozone (du)

328
328
330
331
335
331
327
327
329
330
327
325
325
326
326
329
331
333
335
336
338
337
336
335

Saturday 8

Waning Crescent 26%

01:14

18:39

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

Sun - Rise: 06:14, Set: 21:17, Transit: 13:45. Moon - Rise: 01:14, Set: 18:39. Civil Dark: 21:56 - 05:35. Nautical Dark: 22:48 - 04:43. Astro Dark: 23:56 - 03:37

Total Clouds (% Sky Obscured)

41
32
33
38
43
49
60
70
58
45
28
32
33
34
30
27
26
34
44
53
44
34
25
35

Low Clouds (% Sky Obscured)

7
10
13
19
20
19
18
19
14
11
9
9
10
10
13
14
17
17
12
10
7
5
4
8

Medium Clouds (% Sky Obscured)

30
25
24
32
35
35
30
22
13
6
0
3
5
9
6
3
0
1
1
2
1
1
0
4

High Clouds (% Sky Obscured)

14
2
4
5
6
35
60
70
58
31
0
0
0
0
0
1
2
10
19
27
23
17
15
12

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 (%)

11
11
24
30
39
42
40
39
34
26
15
16
11
2
2
2
0
1
1
0
1
2
0
2

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
7
9
11
12
14
14
13
14
12
10
9
7
6
4
4
4
4
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

18
21
23
24
24
24
24
24
24
23
22
21
19
18
16
16
15
15
14
14
14
14
15
16

Feels Like (°C)

17
18
19
19
19
21
24
22
21
21
21
21
18
19
19
18
18
17
14
14
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

46
38
32
27
23
19
21
23
26
26
28
29
35
42
49
54
58
63
70
76
84
80
78
74

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

333
331
328
325
322
319
317
316
314
314
313
313
312
311
310
310
309
309
308
308
307
309
310
312

Sunday 9

Waning Crescent 16%

02:29

19:40

09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK

Sun - Rise: 06:16, Set: 21:15, Transit: 13:44. Moon - Rise: 02:29, Set: 19:40. Civil Dark: 21:54 - 05:37. Nautical Dark: 22:46 - 04:46. Astro Dark: 23:52 - 03:41

Total Clouds (% Sky Obscured)

46
51
63
75
88
79
69
57
58
60
62
55
47
38
39
37
38

Low Clouds (% Sky Obscured)

11
14
17
18
18
14
13
12
10
10
7
7
8
8
8
7
6

Medium Clouds (% Sky Obscured)

9
18
30
44
56
52
46
40
27
15
3
3
3
3
7
12
17

High Clouds (% Sky Obscured)

7
2
14
20
30
23
13
9
23
38
51
45
43
38
39
37
38

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
1
2
2
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

Wind Speed/Direction (mph)

3
5
6
7
9
10
10
10
10
9
9
8
7
6
6
5
5

Chance of Frost

Temperature (°C)

17
19
21
21
22
23
23
23
23
23
22
22
20
18
16
15
14

Feels Like (°C)

17
18
19
20
21
21
23
23
22
23
23
24
18
17
17
17
15

Dew Point (°C)

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

Relative Humidity (%)

64
54
47
44
41
40
40
40
41
44
47
50
57
65
74
78
80

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021

Ozone (du)

313
315
316
317
318
320
320
321
322
323
323
324
324
324
324
324
324

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

Generated: 03/08/26 09:18:00. Forecast: 03/08/26 to 09/08/26. Timezone: UTC+2.00