Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 23

First Quarter 64%

14:10

02:51

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

Sun - Rise: 05:27, Set: 21:35, Transit: 13:32. Moon - Rise: 14:10, Set: 02:51. Civil Dark: 22:20 - 04:42. Nautical Dark: 23:25 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

36
32
94
100
100
100
100
88
97
92
86
80
79
75
73
67
41
35
35
36
33
33
31
32

Low Clouds (% Sky Obscured)

0
0
0
2
14
18
23
29
53
44
42
44
27
23
15
12
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

26
10
8
0
1
0
0
0
0
0
0
3
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

36
32
86
100
100
100
100
68
29
37
32
37
49
50
43
36
15
10
10
16
14
14
11
18

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
2
1
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
5
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
5
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

22
20
18
17
16
15
14
14
13
13
14
15
16
18
20
21
22
23
24
24
24
24
24
22

Feels Like (°C)

23
21
19
16
15
15
13
13
12
12
13
14
16
18
19
20
22
23
23
23
24
24
24
23

Dew Point (°C)

19
17
16
15
14
14
14
13
13
12
12
11
11
12
12
12
12
13
13
13
14
14
15
16

Relative Humidity (%)

84
86
89
89
90
92
95
95
95
93
87
79
72
67
61
56
53
51
50
49
51
51
59
66

Pressure (mb)

1027
1027
1028
1028
1028
1028
1029
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

329
327
325
324
325
325
324
323
322
322
322
321
320
318
316
315
314
315
315
314
313
313
314
314

Sunday 24

Waxing Gibbous 60%

15:26

03:02

21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 OK
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

Sun - Rise: 05:25, Set: 21:37, Transit: 13:32. Moon - Rise: 15:26, Set: 03:02. Civil Dark: 22:22 - 04:40. Nautical Dark: 23:27 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

29
29
21
8
11
15
19
3
3
2
2
2
2
3
3
2
2
2
2
3
2
2
2
2

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)

16
17
12
4
7
15
19
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
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
6
5
5
4
4
3
3
4
3
3
3
3
3
3
3
4
4
4
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
17
16
15
15
14
13
13
14
13
15
17
20
22
23
25
26
27
27
28
28
28
28
27

Dew Point (°C)

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

Relative Humidity (%)

72
78
79
80
83
86
89
90
90
90
86
75
70
64
60
56
52
50
49
48
48
49
56
63

Pressure (mb)

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

Ozone (du)

313
312
312
312
312
312
313
313
312
312
312
312
311
312
312
312
312
312
312
311
311
311
311
312

Monday 25

Waxing Gibbous 74%

16:41

03:12

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 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 05:24, Set: 21:38, Transit: 13:32. Moon - Rise: 16:41, Set: 03:12. Civil Dark: 22:23 - 04:39. Nautical Dark: 23:30 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
1
1
2
9
4
2
2
2
2
2
3
5
4
2
1
1
2
10

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
1
1
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
7
4
2
2
2
2
2
3
5
4
2
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)

3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
6
7
9
9
10
10

Chance of Frost

Temperature (°C)

22
20
19
18
16
16
15
15
14
14
16
18
21
23
25
26
28
29
29
28
28
27
25
23

Feels Like (°C)

24
22
20
19
18
18
17
16
16
15
17
21
23
25
27
29
31
31
31
30
30
28
26
24

Dew Point (°C)

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

Relative Humidity (%)

69
72
78
85
87
87
87
87
89
87
83
77
69
63
58
52
48
46
44
45
47
53
60
68

Pressure (mb)

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

Ozone (du)

312
313
313
314
314
314
314
314
314
313
313
313
313
313
313
314
315
315
315
315
316
317
318
319

Tuesday 26

Waxing Gibbous 82%

17:55

03:23

21 OK
22 OK
23 OK
00 OK
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 OK
14 OK
15 Good
16 Good
17 OK
18 OK
19 Bad
20 Bad

Sun - Rise: 05:23, Set: 21:39, Transit: 13:32. Moon - Rise: 17:55, Set: 03:23. Civil Dark: 22:25 - 04:37. Nautical Dark: 23:32 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

16
23
32
42
48
53
55
57
64
73
81
86
91
96
76
54
29
23
14
8
14
33
54
49

Low Clouds (% Sky Obscured)

0
0
17
32
44
46
48
46
53
57
65
58
50
43
36
29
22
15
7
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
12
8
4
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
1
3
10
18
28
52
76
96
69
38
7
6
5
5
14
27
41
41

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
18
16
14
13
13
12
10
10
9
10
10
11
13
14
14
16
17
17
18
18
16
15
13

Dew Point (°C)

16
14
12
11
11
11
10
8
8
7
7
6
5
6
6
5
6
6
7
7
7
7
8
8

Relative Humidity (%)

77
76
78
80
87
90
86
79
80
76
73
65
59
54
51
48
45
44
43
43
43
45
53
59

Pressure (mb)

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

Ozone (du)

321
323
324
330
333
329
327
326
326
324
323
322
322
324
325
327
329
331
332
333
332
333
334
335

Wednesday 27

Waxing Gibbous 89%

19:10

03:35

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

Sun - Rise: 05:22, Set: 21:41, Transit: 13:32. Moon - Rise: 19:10, Set: 03:35. Civil Dark: 22:27 - 04:36. Nautical Dark: 23:34 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
59
75
86
100
99
98
97
76
45
23
40
27
15
10
5
0
1
3
4
4
4
4
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
8
16
23
15
8
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
1
1
1
2
1

High Clouds (% Sky Obscured)

41
44
61
80
100
96
92
88
63
36
11
24
13
2
2
1
0
0
1
1
1
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)

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

Chance of Frost

Temperature (°C)

14
12
10
9
8
8
7
7
6
7
8
10
12
14
16
17
19
20
20
21
21
21
20
19

Feels Like (°C)

11
9
7
6
5
5
4
4
4
4
7
9
9
11
11
12
13
14
21
20
20
21
20
21

Dew Point (°C)

7
6
5
5
4
4
4
4
3
4
4
4
4
4
4
4
4
5
5
6
7
8
10
11

Relative Humidity (%)

64
68
71
73
74
77
78
79
79
79
74
64
57
50
43
41
38
36
36
37
38
44
51
59

Pressure (mb)

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

Ozone (du)

336
337
337
338
338
338
339
341
342
343
345
346
347
348
349
349
349
349
348
348
348
347
347
347

Thursday 28

Waxing Gibbous 94%

20:25

03:50

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

Sun - Rise: 05:21, Set: 21:42, Transit: 13:32. Moon - Rise: 20:25, Set: 03:50. Civil Dark: 22:28 - 04:35. Nautical Dark: 23:37 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
2
9
17
27
32
37
41
37
33
39
45
55
64
72
83
89
91
94
97
92
85
79
76

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
9
13
14
13
15
20
25
25
33

Medium Clouds (% Sky Obscured)

1
0
0
0
0
2
7
15
21
32
37
45
52
54
38
30
22
38
53
67
54
41
23
16

High Clouds (% Sky Obscured)

1
1
9
17
27
32
37
41
37
33
39
45
55
64
72
70
60
71
85
97
92
85
79
60

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
1
0
1
1
1
4
2
5
3
1
1
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)

5
5
5
5
5
5
4
4
4
4
4
4
4
3
3
3
3
3
4
5
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
16
15
14
10
10
9
9
10
9
14
15
15
16
17
17
22
23
24
23
22
22

Dew Point (°C)

10
9
7
7
6
5
5
5
4
5
5
6
7
7
7
9
10
12
12
12
13
13
13
14

Relative Humidity (%)

64
67
71
71
70
68
68
69
68
65
63
61
55
50
47
47
48
49
49
49
50
54
58
64

Pressure (mb)

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

Ozone (du)

346
345
344
345
346
347
348
348
348
348
347
346
345
345
345
345
346
346
350
353
357
354
352
350

Friday 29

Waxing Gibbous 98%

No Rise

04:09

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

Sun - Rise: 05:20, Set: 21:43, Transit: 13:32. Moon - Rise: No Rise, Set: 04:09. Civil Dark: 22:29 - 04:34. Nautical Dark: 23:39 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
69
74
81
88
87
87
83
69
59
44
48
53
67
55
46
36

Low Clouds (% Sky Obscured)

39
44
51
52
52
43
40
40
43
45
43
48
53
67
55
45
34

Medium Clouds (% Sky Obscured)

9
4
23
43
58
63
66
69
57
47
40
30
26
21
20
18
16

High Clouds (% Sky Obscured)

37
26
29
37
50
55
50
35
22
16
14
14
11
16
13
18
36

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 (%)

1
0
1
0
0
0
0
0
1
3
5
14
23
28
27
19
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
16
16
15
15
15
15
15
15
15
15
16
17
19
20
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
73
74
77
80
80
80
80
82
82
85
81
76
72
67
61

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

351
351
351
352
352
352
353
353
354
357
360
362
364
366
368
367
366

Forecast for Rivierenwijk, Gemeente Deventer, Netherlands (52.26,6.19)

Generated: 23/05/26 20:40:07. Forecast: 23/05/26 to 29/05/26. Timezone: UTC+2.00