Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 14%

07:45

01:04

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

Sun - Rise: 05:50, Set: 20:06, Transit: 12:58. Moon - Rise: 07:45, Set: 01:04. Civil Dark: 20:42 - 05:13. Nautical Dark: 21:28 - 04:27. Astro Dark: 22:21 - 03:33

Total Clouds (% Sky Obscured)

78
84
79
78
57
80
27
34
29
4
29
71
40
58
50
56
75
55
52
65
89
73
61
43

Low Clouds (% Sky Obscured)

23
21
50
60
32
37
26
34
29
4
29
71
40
58
50
56
58
31
43
50
82
64
51
43

Medium Clouds (% Sky Obscured)

43
52
47
25
17
22
0
0
0
0
0
0
0
0
0
1
9
10
11
7
4
9
15
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
10
7
5
7
1
0
0
0
0
0
0
0
0
1
0
0
1
2
6
20
17
11
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
9
10
9
8
8
8
8
8
8
8
9
9
9
10
11
13
15
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
60
69
70
71
77
90
94
96
96
96
98
98
98
93
94
88
84
84
76
68
65
57

Pressure (mb)

1024
1024
1023
1024
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

420
420
420
420
420
417
415
419
424
427
427
423
423
421
420
416
413
414
412
409
410
408
405
406

Tuesday 21

Waxing Crescent 24%

08:56

02:08

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

Sun - Rise: 05:48, Set: 20:07, Transit: 12:58. Moon - Rise: 08:56, Set: 02:08. Civil Dark: 20:44 - 05:11. Nautical Dark: 21:30 - 04:24. Astro Dark: 22:24 - 03:30

Total Clouds (% Sky Obscured)

14
6
4
3
7
0
0
0
0
0
0
0
8
8
4
0
1
4
7
29
12
0
1
0

Low Clouds (% Sky Obscured)

9
0
0
0
6
0
0
0
0
0
0
0
8
8
4
0
0
4
7
29
12
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)

3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
1
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
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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
10
9
7
6
6
5
5
5
5
5
5
5
6
8
10
12
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
58
60
65
66
69
75
79
82
85
88
91
93
96
94
94
91
82
74
63
59
53
51

Pressure (mb)

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

Ozone (du)

407
409
411
414
416
417
415
411
408
405
402
401
399
397
395
392
392
392
387
382
381
381
386
387

Wednesday 22

Waxing Crescent 35%

10:19

02:52

14 Good
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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 05:46, Set: 20:09, Transit: 12:58. Moon - Rise: 10:19, Set: 02:52. Civil Dark: 20:46 - 05:09. Nautical Dark: 21:32 - 04:22. Astro Dark: 22:27 - 03:26

Total Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
0
0
17
56
66
57
52
51
43
34
30
21
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
17
56
66
57
52
51
43
34
28
20
15

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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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)

16
15
15
14
13
12
9
9
9
9
8
8
7
7
8
8
8
8
9
10
11
11
11
11

Chance of Frost

Temperature (°C)

15
15
15
14
13
12
10
8
7
6
5
4
4
3
3
2
3
4
6
8
9
11
13
14

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
6
7
6
6
4
3
3
3
3
2
2
1
2
2
3
3
2
3
3
3

Relative Humidity (%)

51
51
52
53
62
70
78
85
82
83
88
91
93
93
94
93
94
89
80
70
61
56
52
49

Pressure (mb)

1029
1029
1029
1029
1029
1029
1030
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032

Ozone (du)

386
383
382
382
381
381
383
386
388
386
384
387
386
385
383
381
382
379
376
375
374
373
374
373

Thursday 23

Waxing Crescent 46%

11:45

03:21

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

Sun - Rise: 05:43, Set: 20:11, Transit: 12:58. Moon - Rise: 11:45, Set: 03:21. Civil Dark: 20:47 - 05:06. Nautical Dark: 21:34 - 04:19. Astro Dark: 22:30 - 03:23

Total Clouds (% Sky Obscured)

9
4
8
11
13
21
31
39
39
49
58
59
68
68
68
68
67
67
72
67
68
63
63
54

Low Clouds (% Sky Obscured)

9
3
2
1
0
0
0
0
20
35
53
56
59
62
67
68
64
61
54
51
44
40
37
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
12
28
33
49
50
50
60
55
42
35
25
21
18
16
13

High Clouds (% Sky Obscured)

1
0
8
11
13
21
31
39
39
49
58
59
68
68
68
68
67
67
72
67
68
63
63
54

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)

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

Chance of Frost

Temperature (°C)

15
15
16
15
14
13
11
8
6
6
5
4
4
4
4
4
4
5
7
8
9
11
12
14

Feels Like (°C)

12
12
12
12
12
11
9
6
5
3
3
2
2
2
2
1
2
2
3
5
6
7
9
10

Dew Point (°C)

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

Relative Humidity (%)

46
45
47
50
60
66
76
85
91
94
93
93
94
94
94
93
89
83
75
67
62
55
51
48

Pressure (mb)

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

Ozone (du)

370
369
369
366
364
365
365
365
364
362
361
361
362
363
364
365
367
367
366
366
367
369
371
373

Friday 24

First Quarter 58%

13:10

03:41

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

Sun - Rise: 05:41, Set: 20:12, Transit: 12:58. Moon - Rise: 13:10, Set: 03:41. Civil Dark: 20:49 - 05:04. Nautical Dark: 21:37 - 04:17. Astro Dark: 22:33 - 03:20

Total Clouds (% Sky Obscured)

41
19
21
23
27
32
36
37
48
62
76
74
75
77
78
74
67
51
47
51
69
76
79
81

Low Clouds (% Sky Obscured)

31
18
21
23
27
32
36
37
48
62
76
74
75
77
78
74
67
51
47
51
69
76
79
81

Medium Clouds (% Sky Obscured)

7
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)

31
3
2
1
0
0
1
0
0
0
0
0
0
0
0
0
1
1
1
2
4
8
11
16

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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
11
9
7
6
5
5
4
4
4
4
4
4
5
6
8
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
5
5
4
4
4
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2

Relative Humidity (%)

47
47
48
52
60
66
72
78
86
93
93
91
91
93
94
91
89
88
76
67
59
55
51
47

Pressure (mb)

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

Ozone (du)

375
377
382
382
383
382
383
387
390
392
396
398
391
385
378
376
373
370
371
371
371
371
370
370

Saturday 25

Waxing Gibbous 68%

No Rise

03:56

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:39, Set: 20:14, Transit: 12:58. Moon - Rise: No Rise, Set: 03:56. Civil Dark: 20:51 - 05:02. Nautical Dark: 21:39 - 04:14. Astro Dark: 22:36 - 03:16

Total Clouds (% Sky Obscured)

80
79
77
75
66
63
71
71
77
82
89
91
93
97
95
94
93
87
80
75
79
86
92
83

Low Clouds (% Sky Obscured)

80
79
77
75
66
63
69
69
75
76
82
89
92
95
92
88
85
81
77
73
79
86
92
83

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
2
11
15
18
14
10
7
6
5
12
10

High Clouds (% Sky Obscured)

21
26
11
4
0
1
1
0
0
4
5
5
10
20
15
20
20
23
25
23
19
13
4
6

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
1
0
3
4
4
5
5
6
6
5
2
4
3
2
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
4
3
3
2
2
1
1
1
1
1
1
2
3
3
3
3
3
4
4

Relative Humidity (%)

46
45
44
51
56
65
67
71
74
74
72
71
72
73
73
75
76
78
74
69
64
62
60
57

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

369
369
369
370
371
372
371
371
370
372
375
377
377
377
378
380
382
384
386
387
389
388
387
386

Sunday 26

Waxing Gibbous 78%

14:30

04:08

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 OK
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 05:38, Set: 20:16, Transit: 12:57. Moon - Rise: 14:30, Set: 04:08. Civil Dark: 20:53 - 05:00. Nautical Dark: 21:41 - 04:11. Astro Dark: 22:39 - 03:13

Total Clouds (% Sky Obscured)

73
61
63
60
59
53
49
44
45
42
36
41
42
27
28
41
55

Low Clouds (% Sky Obscured)

73
61
63
60
57
51
39
32
37
40
36
41
42
27
28
41
51

Medium Clouds (% Sky Obscured)

6
3
2
4
4
2
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
5
13
24
36
37
35
30
22
10
1
2
3
3
7
9
13

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
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
12
12
14
9
9
9
8
7
6
4
5
6
5
5

Dew Point (°C)

4
5
5
5
6
6
6
5
5
4
4
4
3
3
3
3
2

Relative Humidity (%)

57
56
55
60
64
70
74
79
87
88
90
91
88
86
86
83
80

Pressure (mb)

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

Ozone (du)

385
383
382
379
377
374
377
380
383
383
382
381
381
380
380
379
378

Forecast for Enfield, Greater London, United Kingdom (51.65,-0.08)

Generated: 20/04/26 14:15:43. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+1.00