Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 32%

12:55

23:03

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

Sun - Rise: 05:07, Set: 21:08, Transit: 13:07. Moon - Rise: 12:55, Set: 23:03. Civil Dark: 21:52 - 04:23. Nautical Dark: 22:55 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

17
18
13
20
0
0
0
0
17
24
60
94
91
40
40
42
31
41
28
35
13
5
12
5

Low Clouds (% Sky Obscured)

17
18
13
20
0
0
0
0
0
0
0
0
0
0
0
0
2
2
9
8
6
2
12
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
25
26
36
15
2
2
2
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
16
22
60
94
91
40
40
24
8
4
6
35
11
3
0
5

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

Chance of Frost

Temperature (°C)

21
21
21
21
20
18
17
15
14
13
12
11
11
10
10
10
12
14
16
18
19
21
22
23

Feels Like (°C)

18
18
19
18
17
16
15
13
13
12
12
10
9
9
8
8
10
13
14
15
16
18
20
21

Dew Point (°C)

1
1
1
2
4
5
7
8
9
9
10
10
9
9
9
8
8
6
4
2
2
3
3
3

Relative Humidity (%)

26
25
26
28
34
42
53
61
71
79
86
90
90
91
91
88
77
60
45
35
32
29
27
26

Pressure (mb)

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

Ozone (du)

355
354
346
345
345
343
345
347
347
348
348
347
346
344
342
343
345
347
346
346
344
342
341
339

Monday 20

Waxing Crescent 43%

14:11

23:15

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

Sun - Rise: 05:08, Set: 21:07, Transit: 13:07. Moon - Rise: 14:11, Set: 23:15. Civil Dark: 21:51 - 04:24. Nautical Dark: 22:53 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
67
84
55
45
47
38
22
18
29
39
25
23
37
46
60
45
43
32
36
37
33
27
28

Low Clouds (% Sky Obscured)

38
17
75
6
1
1
21
5
0
26
31
24
21
37
43
58
45
43
32
36
37
33
27
28

Medium Clouds (% Sky Obscured)

42
33
28
30
27
26
20
13
15
20
8
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
4
2
3
9
0
0
0
2
5
2
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
1
2
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
10
10
11
11
11
8
6
5
4
5
5
5
6
5
6
8
8
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

23
24
23
23
22
20
19
18
16
16
15
14
13
13
12
13
14
15
17
18
20
21
22
22

Feels Like (°C)

21
20
21
19
19
18
19
18
17
17
15
15
14
13
12
12
13
15
16
17
19
20
21
21

Dew Point (°C)

3
3
3
3
4
6
11
13
13
13
13
13
12
12
11
12
12
11
9
8
7
7
6
5

Relative Humidity (%)

25
25
26
27
31
40
59
72
81
86
87
92
92
95
93
96
86
73
61
52
44
38
35
31

Pressure (mb)

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

Ozone (du)

337
336
335
335
336
337
336
336
334
332
331
330
329
329
329
329
328
326
325
324
324
324
324
325

Tuesday 21

First Quarter 53%

No Rise

23:29

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

Sun - Rise: 05:09, Set: 21:06, Transit: 13:07. Moon - Rise: No Rise, Set: 23:29. Civil Dark: 21:49 - 04:26. Nautical Dark: 22:51 - 03:25. Astro Dark: N/A - 01:23

Total Clouds (% Sky Obscured)

19
38
50
32
22
0
0
0
3
27
34
30
26
25
21
40
86
93
81
99
100
87
88
89

Low Clouds (% Sky Obscured)

19
34
43
32
20
0
0
0
3
25
34
30
26
25
21
31
44
39
17
35
34
32
24
21

Medium Clouds (% Sky Obscured)

0
0
2
1
7
0
0
0
0
12
13
0
0
0
0
0
0
0
0
0
0
69
65
70

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
3
19
68
83
68
96
100
45
42
45

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
9
10
10
9
7
6
6
6
5
4
4
3
4
4
4
5
5
5
5
5
7
7
8

Chance of Frost

Temperature (°C)

23
23
24
24
23
22
20
19
17
17
16
16
15
15
15
14
15
16
18
20
22
23
24
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

28
27
28
30
32
35
44
63
74
77
74
72
75
76
80
78
67
59
51
46
41
39
36
32

Pressure (mb)

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

Ozone (du)

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

Wednesday 22

Waxing Gibbous 63%

15:27

23:46

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: 05:11, Set: 21:04, Transit: 13:07. Moon - Rise: 15:27, Set: 23:46. Civil Dark: 21:48 - 04:28. Nautical Dark: 22:49 - 03:27. Astro Dark: 00:51 - 01:36

Total Clouds (% Sky Obscured)

59
63
58
100
69
100
82
97
95
93
93
93
90
72
81
66
61
54
62
69
68
78
84
92

Low Clouds (% Sky Obscured)

16
18
23
70
27
72
59
74
75
76
76
78
73
59
60
49
43
38
32
38
57
70
65
60

Medium Clouds (% Sky Obscured)

53
32
29
25
28
31
34
29
24
22
19
16
15
14
14
14
11
6
0
9
19
24
26
26

High Clouds (% Sky Obscured)

10
42
54
100
69
69
69
48
30
3
38
14
29
33
56
62
51
38
36
39
17
14
37
62

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
1
0
0
1
2
2
5
7
7
6
4
8
7
1
3
3
0
0
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)

7
8
9
14
14
11
10
7
6
5
5
5
5
5
5
5
5
5
4
3
3
5
6
5

Chance of Frost

Temperature (°C)

24
25
24
23
22
21
20
19
18
18
17
17
16
16
15
15
16
17
18
19
21
22
23
23

Feels Like (°C)

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

Dew Point (°C)

6
5
5
7
12
12
13
13
14
13
13
12
12
12
13
13
12
11
10
9
8
9
10
11

Relative Humidity (%)

30
28
28
33
53
56
62
70
75
76
77
75
73
75
85
86
78
67
57
50
45
43
43
44

Pressure (mb)

1023
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

331
332
332
333
333
331
329
329
328
328
327
326
325
325
323
321
319
316
314
312
311
310
310
309

Thursday 23

Waxing Gibbous 72%

16:41

00:09

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

Sun - Rise: 05:12, Set: 21:03, Transit: 13:07. Moon - Rise: 16:41, Set: 00:09. Civil Dark: 21:46 - 04:29. Nautical Dark: 22:46 - 03:30. Astro Dark: 00:37 - 01:46

Total Clouds (% Sky Obscured)

98
84
67
35
37
27
22
28
35
43
56
36
26
38
68
73
53
66
80
81
84
86
74
61

Low Clouds (% Sky Obscured)

56
49
41
11
14
1
0
0
0
0
0
0
0
4
8
11
0
0
0
2
5
7
7
10

Medium Clouds (% Sky Obscured)

28
25
24
21
24
27
22
28
32
29
23
18
11
10
9
8
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

80
53
25
0
1
3
1
8
13
18
42
20
15
28
60
65
52
66
80
80
78
74
54
42

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)

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

Chance of Frost

Temperature (°C)

24
25
25
24
24
23
21
19
19
18
17
16
16
15
15
15
16
18
20
21
23
24
26
26

Feels Like (°C)

23
23
24
23
25
23
21
20
19
18
17
16
16
15
16
14
15
16
16
16
17
17
17
25

Dew Point (°C)

10
9
8
8
7
7
9
11
12
11
11
11
11
11
12
12
11
10
9
8
6
4
2
2

Relative Humidity (%)

41
36
35
34
33
35
46
59
65
63
65
68
74
78
82
82
69
59
50
43
33
26
20
20

Pressure (mb)

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

Ozone (du)

309
309
309
308
308
309
309
309
310
312
312
312
313
314
314
314
315
315
316
317
317
317
318
317

Friday 24

Waxing Gibbous 80%

17:51

00:41

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

Sun - Rise: 05:14, Set: 21:02, Transit: 13:07. Moon - Rise: 17:51, Set: 00:41. Civil Dark: 21:44 - 04:31. Nautical Dark: 22:44 - 03:32. Astro Dark: 00:28 - 01:53

Total Clouds (% Sky Obscured)

55
54
52
48
52
59
62
51
39
33
27
26
30
39
48
60
73
85
98
91
85
78
81
84

Low Clouds (% Sky Obscured)

12
17
19
21
18
14
10
6
3
1
0
0
0
1
3
6
13
21
28
44
60
76
79
82

Medium Clouds (% Sky Obscured)

0
0
0
0
12
25
34
20
9
0
0
0
0
19
37
56
60
61
65
60
47
38
45
49

High Clouds (% Sky Obscured)

32
26
20
12
10
7
6
27
39
33
27
26
30
39
39
37
44
47
42
30
18
6
7
7

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
1
1
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
10
10
10
10
9
9
8
7
7
7
7
7
7
7
8
8
9
10
10
11
12
12
13

Chance of Frost

Temperature (°C)

27
28
27
27
27
25
23
21
20
19
17
16
16
15
15
15
16
17
18
19
20
21
22
23

Feels Like (°C)

23
22
22
22
22
24
24
25
23
22
22
13
12
13
12
12
12
14
15
15
15
16
16
20

Dew Point (°C)

2
2
1
0
-1
2
5
7
8
8
9
9
9
10
9
9
9
8
8
8
7
6
6
6

Relative Humidity (%)

19
19
18
17
16
22
29
39
44
50
56
61
65
70
66
64
62
56
51
47
42
37
34
32

Pressure (mb)

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

Ozone (du)

316
316
317
318
319
317
316
315
315
315
315
314
313
312
311
310
310
310
309
309
310
310
310
310

Saturday 25

Waxing Gibbous 88%

18:53

01:24

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

Sun - Rise: 05:15, Set: 21:00, Transit: 13:07. Moon - Rise: 18:53, Set: 01:24. Civil Dark: 21:43 - 04:33. Nautical Dark: 22:42 - 03:34. Astro Dark: 00:20 - 02:00

Total Clouds (% Sky Obscured)

86
80
75
71
72
74
75
81
86
92
92
94
95
95
95
95
96
97
97
98
98
98

Low Clouds (% Sky Obscured)

84
71
63
49
50
50
47
58
67
70
80
80
75
70
70
70
77
76
84
86
88
92

Medium Clouds (% Sky Obscured)

54
48
42
37
36
33
30
30
31
31
31
27
28
27
27
27
26
31
30
31
36
41

High Clouds (% Sky Obscured)

8
6
4
2
1
1
0
1
2
3
2
1
1
8
12
16
10
4
0
0
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

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

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

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

Wind Speed/Direction (mph)

13
14
13
13
12
11
10
9
8
7
7
6
6
6
7
7
7
8
8
9
9
10

Chance of Frost

Temperature (°C)

24
25
25
25
25
23
22
20
19
19
18
18
18
17
17
18
17
18
19
20
21
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
30
32
33
35
40
46
52
54
55
57
56
54
53
56
59
62
63
64
67
61
55

Pressure (mb)

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

Ozone (du)

310
309
309
308
308
308
307
307
308
308
309
310
311
312
311
310
310
308
307
306
306
306

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 19/07/26 15:53:41. Forecast: 19/07/26 to 25/07/26. Timezone: UTC+1.00