Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 23

Waning Gibbous 94%

21:36

07:30

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

Sun - Rise: 05:57, Set: 18:20, Transit: 12:09. Moon - Rise: 21:36, Set: 07:30. Civil Dark: 18:54 - 05:24. Nautical Dark: 19:33 - 04:44. Astro Dark: 20:15 - 04:03

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
98
84
87
95
77
85
82
91
96
97
97
98
98
97
96
89
92

Low Clouds (% Sky Obscured)

8
3
59
100
100
100
100
70
21
35
41
59
69
65
81
75
56
70
60
53
60
63
59
38

Medium Clouds (% Sky Obscured)

0
0
0
12
9
2
1
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
2
5

High Clouds (% Sky Obscured)

98
98
99
98
98
97
98
95
80
83
92
51
62
62
75
91
95
93
95
98
94
93
84
91

ISS Passover

Visibility (miles)

6
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
6
6
6
6
6
7
7
10
11
12
13
13
13
13
12
12
11
10
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
89
91
91
90
85
78
72
67
63
60
58
57
58
58
58
59
60
60
61
62
64

Pressure (mb)

1028
1029
1029
1029
1030
1030
1030
1031
1031
1032
1032
1033
1033
1033
1032
1032
1032
1032
1032
1033
1033
1033
1034
1034

Ozone (du)

310
312
314
316
319
322
325
328
330
332
333
334
335
336
336
337
338
339
341
345
349
354
358
362

Sunday 24

Waning Gibbous 88%

22:53

07:55

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

Sun - Rise: 05:55, Set: 18:22, Transit: 12:09. Moon - Rise: 22:53, Set: 07:55. Civil Dark: 18:55 - 05:22. Nautical Dark: 19:35 - 04:42. Astro Dark: 20:17 - 04:00

Total Clouds (% Sky Obscured)

96
94
91
91
93
99
99
47
2
0
16
14
12
18
15
21
37
34
27
0
1
8
52
1

Low Clouds (% Sky Obscured)

13
8
4
2
1
0
0
0
0
0
1
14
12
18
15
21
37
34
27
0
0
7
52
1

Medium Clouds (% Sky Obscured)

8
14
10
1
15
95
48
0
2
0
0
0
0
0
0
0
0
0
0
0
1
1
2
0

High Clouds (% Sky Obscured)

95
93
90
91
92
96
98
47
0
0
15
0
0
0
0
0
0
0
2
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
5
4
3
4
5
7
9
11
12
13
14
14
13
12
11
10
7
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

65
65
66
67
69
72
73
71
67
62
59
56
53
51
49
48
50
53
55
56
58
59
62
66

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1033
1033
1033
1033
1033
1032
1032
1032
1032
1031
1031
1031
1032
1032
1032
1032
1032

Ozone (du)

366
370
373
374
370
362
358
361
367
372
373
372
371
369
368
367
367
368
369
372
375
376
376
374

Monday 25

Waning Gibbous 79%

00:05

08:24

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

Sun - Rise: 05:53, Set: 18:24, Transit: 12:08. Moon - Rise: 00:05, Set: 08:24. Civil Dark: 18:57 - 05:19. Nautical Dark: 19:37 - 04:39. Astro Dark: 20:19 - 03:57

Total Clouds (% Sky Obscured)

77
99
100
56
17
2
21
18
1
20
45
57
73
63
64
61
73
76
80
80
80
80
80
80

Low Clouds (% Sky Obscured)

75
98
100
41
16
2
21
18
1
20
45
57
73
63
64
61
73
76
80
80
80
80
80
80

Medium Clouds (% Sky Obscured)

1
2
7
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1

High Clouds (% Sky Obscured)

6
44
14
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.04
0.03
0.01
0
0
0
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
2
2
2
3
4
6
7
10
11
12
13
13
13
12
11
10
8
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

69
72
76
79
81
83
83
80
74
69
64
60
55
51
47
46
47
48
50
52
54
57
61
65

Pressure (mb)

1032
1031
1031
1031
1031
1031
1031
1032
1032
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1035
1036
1036
1037
1037

Ozone (du)

371
368
364
361
357
354
351
348
346
344
342
341
339
337
335
334
332
331
330
329
328
327
326
325

Tuesday 26

Waning Gibbous 70%

00:05

08:57

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

Sun - Rise: 05:50, Set: 18:25, Transit: 12:08. Moon - Rise: 00:05, Set: 08:57. Civil Dark: 18:59 - 05:17. Nautical Dark: 19:39 - 04:37. Astro Dark: 20:21 - 03:55

Total Clouds (% Sky Obscured)

64
64
64
64
64
64
6
6
6
6
6
6
80
80
80
80
80
80
72
72
72
72
72
72

Low Clouds (% Sky Obscured)

64
64
64
64
64
64
6
6
6
6
6
6
80
80
80
80
80
80
72
72
72
72
72
72

Medium Clouds (% Sky Obscured)

7
7
7
7
7
7
2
2
2
2
2
2
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
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
3
2
1
0
1
4
6
8
11
12
13
14
15
15
14
13
11
9
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

68
71
73
76
80
83
84
80
73
67
62
57
53
49
47
46
48
51
56
60
66
70
73
75

Pressure (mb)

1037
1037
1037
1037
1037
1037
1036
1037
1037
1037
1037
1037
1036
1036
1036
1035
1035
1035
1034
1035
1035
1035
1036
1036

Ozone (du)

325
325
324
324
323
322
322
321
320
319
318
317
317
316
315
314
315
316
318
319
320
322
323
325

Wednesday 27

Waning Gibbous 60%

01:11

09:37

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

Sun - Rise: 05:48, Set: 18:27, Transit: 12:08. Moon - Rise: 01:11, Set: 09:37. Civil Dark: 19:01 - 05:15. Nautical Dark: 19:41 - 04:34. Astro Dark: 20:23 - 03:52

Total Clouds (% Sky Obscured)

34
34
34
34
34
34
16
16
16
16
16
16
90
90
90
90
90
90
50
50
50
50
50
50

Low Clouds (% Sky Obscured)

18
18
18
18
18
18
13
13
13
13
13
13
85
85
85
85
85
85
50
50
50
50
50
50

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)

20
20
20
20
20
20
2
2
2
2
2
2
33
33
33
33
33
33
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

7
6
5
5
4
4
4
5
7
9
10
12
13
15
16
16
16
15
14
13
11
10
10
9

Feels Like (°C)

5
4
4
3
2
1
1
3
5
7
10
12
13
15
16
16
16
15
14
13
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

77
79
82
85
88
90
90
85
79
73
68
62
58
54
52
51
52
56
60
64
68
71
74
77

Pressure (mb)

1036
1036
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1035
1035
1035
1036
1036
1036
1036

Ozone (du)

326
328
331
333
336
338
340
341
342
344
346
348
350
351
351
352
354
357
359
362
366
369
372
374

Thursday 28

Third Quarter 49%

02:09

10:23

00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
06 OK
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
21 Good
22 Good
23 Good

Sun - Rise: 05:46, Set: 18:29, Transit: 12:07. Moon - Rise: 02:09, Set: 10:23. Civil Dark: 19:02 - 05:12. Nautical Dark: 19:43 - 04:32. Astro Dark: 20:25 - 03:49

Total Clouds (% Sky Obscured)

20
20
20
20
20
20
11
11
11
11
11
11
5
5
5
5
5
5
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
11
11
11
11
11
11
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
5
5
5
5
5
5
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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
6
9
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
3
3
3
3
4
4
4
5
5
5
5
5
5
4
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

9
8
7
7
6
5
5
7
9
10
12
13
14
16
17
17
17
16
15
14
13
12
11
10

Feels Like (°C)

8
7
7
6
6
4
4
6
8
10
12
13
14
16
17
17
17
16
15
14
13
12
11
9

Dew Point (°C)

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

Relative Humidity (%)

79
81
83
85
87
89
90
85
79
75
70
65
61
57
54
52
53
55
59
62
67
71
75
78

Pressure (mb)

1036
1036
1036
1036
1036
1036
1036
1036
1037
1037
1037
1037
1036
1036
1035
1035
1034
1034
1034
1034
1035
1035
1035
1034

Ozone (du)

376
376
376
375
375
375
374
374
373
372
371
369
368
366
364
362
360
358
356
355
354
353
352
351

Friday 29

Waning Crescent 39%

02:59

11:15

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

Sun - Rise: 05:43, Set: 18:30, Transit: 12:07. Moon - Rise: 02:59, Set: 11:15. Civil Dark: 19:04 - 05:10. Nautical Dark: 19:45 - 04:29. Astro Dark: 20:28 - 03:46

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
55
55
55
55
55
55
4
4
4
4
4
4
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
55
55
55
55
55
55
4
4
4
4
4
4
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)

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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Chance of Frost

Temperature (°C)

9
8
8
7
6
6
6
7
9
11
13
14
16
17
18
17
17
16
14
13
11
10
9
9

Feels Like (°C)

8
8
8
7
6
6
6
6
8
11
13
14
16
17
18
17
17
16
14
13
11
10
8
7

Dew Point (°C)

6
5
5
5
4
4
4
5
5
6
6
6
6
6
6
6
6
6
6
6
5
5
4
4

Relative Humidity (%)

80
82
83
84
87
89
90
85
77
71
64
57
51
47
46
46
49
53
57
62
65
69
72
74

Pressure (mb)

1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1030
1029
1029
1028
1028
1028
1029
1029
1028
1028

Ozone (du)

350
349
349
349
350
351
352
352
352
352
353
353
355
357
360
363
364
365
364
363
362
360
358
356

Forecast for Maidenhead, Windsor and Maidenhead, UK (51.50,-0.70)

Generated: 23/03/19 00:20:58. Forecast: 23/03/19 to 29/03/19. Timezone: UTC+0.00