Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 11%

08:44

01:20

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:43, Set: 21:28, Transit: 13:37. Moon - Rise: 08:44, Set: 01:20. Civil Dark: 22:10 - 05:02. Nautical Dark: 23:06 - 04:04. Astro Dark: 00:34 - 02:34

Total Clouds (% Sky Obscured)

95
94
97
98
100
98
94
92
99
100
93
100
100
99
99
99
99
84
86
88
90
83
48
92

Low Clouds (% Sky Obscured)

87
94
79
87
84
90
83
51
49
65
61
60
77
83
82
77
79
63
63
58
56
61
48
28

Medium Clouds (% Sky Obscured)

89
94
97
88
100
92
78
78
89
100
79
98
100
73
97
94
79
45
41
47
58
42
1
50

High Clouds (% Sky Obscured)

34
94
97
98
100
44
2
10
94
3
3
2
11
16
18
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

64
69
95
80
67
56
9
2
8
54
47
32
79
80
38
63
54
64
55
51
83
73
61
56

Precipitation Amount (mm)

0.2
0.5
0.9
0.3
0.3
0
0
0
0
0.4
0
0
0.7
0.6
0
0.3
0.3
0.3
0
0
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
90
93
92
92
92
92
93
93
92
92
93
95
95
95
96
96
95
90
84
79
75
75
72

Pressure (mb)

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

Ozone (du)

368
367
365
364
365
366
367
371
372
378
378
376
374
375
376
382
380
381
376
372
370
370
371
372

Wednesday 20

Waxing Crescent 21%

10:11

01:57

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

Sun - Rise: 05:42, Set: 21:30, Transit: 13:37. Moon - Rise: 10:11, Set: 01:57. Civil Dark: 22:11 - 05:00. Nautical Dark: 23:09 - 04:02. Astro Dark: 00:39 - 02:28

Total Clouds (% Sky Obscured)

70
80
99
58
70
94
81
95
97
96
96
38
15
12
19
52
64
100
94
85
88
62
82
98

Low Clouds (% Sky Obscured)

43
40
44
45
48
38
45
39
28
27
22
12
4
12
19
7
0
17
53
45
58
21
51
64

Medium Clouds (% Sky Obscured)

32
41
36
20
26
32
46
62
45
29
16
7
4
0
0
15
19
6
6
2
18
17
32
33

High Clouds (% Sky Obscured)

0
0
65
10
24
74
27
61
87
86
91
29
5
0
0
16
3
100
84
70
32
22
45
87

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 (%)

39
33
45
36
20
2
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)

18
16
16
14
13
12
10
9
8
8
8
8
7
7
7
6
6
6
7
7
8
8
7
7

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
16
15
14
13
13
12
12
11
11
11
11
13
15
16
18
19
20
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
72
76
74
77
82
89
92
95
95
96
98
96
96
96
95
87
82
75
71
67
64
61

Pressure (mb)

1021
1022
1022
1022
1023
1023
1024
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1028
1028

Ozone (du)

372
369
366
362
355
351
348
345
343
343
342
340
339
339
340
337
334
332
332
333
333
332
332
331

Thursday 21

Waxing Crescent 31%

11:37

02:22

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

Sun - Rise: 05:41, Set: 21:31, Transit: 13:37. Moon - Rise: 11:37, Set: 02:22. Civil Dark: 22:13 - 04:59. Nautical Dark: 23:11 - 04:00. Astro Dark: 00:45 - 02:22

Total Clouds (% Sky Obscured)

63
42
50
64
41
47
42
1
1
8
3
3
10
13
8
15
12
18
18
22
7
23
21
18

Low Clouds (% Sky Obscured)

44
0
30
38
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
20
18

Medium Clouds (% Sky Obscured)

26
21
18
28
30
36
33
0
0
6
2
0
0
0
0
0
0
0
0
0
3
0
0
0

High Clouds (% Sky Obscured)

25
19
15
1
1
1
1
1
1
1
1
3
10
13
8
15
12
18
18
22
7
5
1
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 (%)

3
1
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)

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

Chance of Frost

Temperature (°C)

22
22
22
22
22
21
20
18
17
16
15
15
14
13
13
12
13
15
18
21
22
23
24
25

Feels Like (°C)

20
21
22
22
23
23
21
20
18
17
16
15
14
12
12
13
13
15
18
20
22
24
25
27

Dew Point (°C)

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

Relative Humidity (%)

58
57
57
57
59
71
76
81
83
85
85
86
87
89
90
90
89
80
73
71
66
62
59
57

Pressure (mb)

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

Ozone (du)

331
332
331
329
329
329
328
328
327
326
327
328
326
325
325
325
325
325
326
328
331
334
336
338

Friday 22

Waxing Crescent 42%

12:59

02:40

15 Good
16 OK
17 Good
18 OK
19 Good
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 OK
13 Good
14 OK

Sun - Rise: 05:40, Set: 21:32, Transit: 13:37. Moon - Rise: 12:59, Set: 02:40. Civil Dark: 22:14 - 04:58. Nautical Dark: 23:13 - 03:59. Astro Dark: 00:51 - 02:16

Total Clouds (% Sky Obscured)

16
19
15
19
14
15
15
17
12
6
0
0
0
1
3
6
9
7
5
2
7
30
17
31

Low Clouds (% Sky Obscured)

16
13
10
5
0
0
0
0
0
0
0
0
0
0
3
6
9
7
3
0
7
13
17
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
4
6
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
7

High Clouds (% Sky Obscured)

1
11
10
19
14
15
9
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
27
27
26
25
25
23
21
20
19
19
18
17
16
16
16
18
19
22
24
25
26
26
28

Dew Point (°C)

16
16
16
16
18
20
19
17
15
15
15
14
14
12
12
12
13
14
14
15
16
16
17
17

Relative Humidity (%)

56
55
55
57
67
75
79
79
81
86
88
86
85
80
80
80
81
77
70
66
64
60
58
55

Pressure (mb)

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

Ozone (du)

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

Saturday 23

First Quarter 53%

14:17

02:54

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

Sun - Rise: 05:39, Set: 21:34, Transit: 13:37. Moon - Rise: 14:17, Set: 02:54. Civil Dark: 22:16 - 04:56. Nautical Dark: 23:15 - 03:57. Astro Dark: 00:58 - 02:08

Total Clouds (% Sky Obscured)

64
65
81
82
61
64
72
40
31
21
9
33
31
43
50
55
48
15
16
18
12
7
3
6

Low Clouds (% Sky Obscured)

15
13
9
4
0
2
6
7
5
2
0
3
6
9
13
17
18
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

17
28
26
26
21
25
21
20
14
9
2
1
1
0
8
16
20
12
13
6
3
2
0
0

High Clouds (% Sky Obscured)

5
9
23
35
43
30
17
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
1
4
0
2
4
0
0
0
0
0
0
0
0
1
2
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
50
51
58
65
72
76
78
83
86
86
85
83
83
86
86
83
76
73
69
66
62
58
54

Pressure (mb)

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

Ozone (du)

329
329
331
332
332
332
331
332
334
334
336
339
342
344
344
342
342
343
341
340
339
337
336
334

Sunday 24

Waxing Gibbous 64%

No Rise

03:07

15 Good
16 Good
17 Good
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 05:38, Set: 21:35, Transit: 13:37. Moon - Rise: No Rise, Set: 03:07. Civil Dark: 22:17 - 04:55. Nautical Dark: 23:17 - 03:55. Astro Dark: 01:05 - 01:58

Total Clouds (% Sky Obscured)

7
9
11
16
24
23
21
17
11
4
0
1
2
2
3
3
3
2
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

7
9
9
6
0
3
5
7
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
3
5
4
4
3
2
1
0
0
0
1
1
1
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 (%)

6
2
5
6
12
14
12
0
0
1
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
8
7
7
7
7
6
6
6
5
5
4
5
5
6
7
7
8
8
8
8

Chance of Frost

Temperature (°C)

27
27
28
27
25
24
23
21
19
19
18
17
17
17
17
17
18
18
20
22
23
24
26
27

Feels Like (°C)

31
30
29
29
29
29
25
24
24
23
23
22
18
19
19
18
18
17
22
22
22
23
24
25

Dew Point (°C)

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

Relative Humidity (%)

54
55
54
61
68
75
78
80
82
85
85
86
86
87
89
85
82
78
74
69
65
60
56
52

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

333
331
330
328
327
325
325
324
324
324
324
324
324
324
324
323
322
322
322
322
322
323
324
324

Monday 25

Waxing Gibbous 74%

15:31

03:19

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

Sun - Rise: 05:37, Set: 21:36, Transit: 13:37. Moon - Rise: 15:31, Set: 03:19. Civil Dark: 22:19 - 04:54. Nautical Dark: 23:19 - 03:53. Astro Dark: 01:15 - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
13
19
14
9
4
11
16
17
11
7
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
7
4
2
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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
5
6
6
6
4
4
5
17
11
7
2

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

Fog (%)

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

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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
28
28
27
27
26
24
22
20
20
19
18
17
17
16
17
17
18
20
22
24
25
26

Feels Like (°C)

30
30
30
31
31
31
28
28
28
26
25
24
20
19
19
18
18
17
21
22
23
24
26

Dew Point (°C)

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

Relative Humidity (%)

52
52
52
57
64
70
73
76
80
78
78
77
76
74
74
74
74
74
70
65
61
58
55

Pressure (mb)

1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

326
327
328
329
330
332
332
333
333
332
331
330
330
330
330
331
331
331
332
332
333
334
334

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 19/05/26 15:57:11. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+2.00