Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:01

04:49

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 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: 20:08, Transit: 12:54. Moon - Rise: 15:01, Set: 04:49. Civil Dark: 20:46 - 05:00. Nautical Dark: 21:34 - 04:11. Astro Dark: 22:32 - 03:13

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
2
0
2
1
8
0
0
0
0

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
2
0
2
1
8
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 (%)

1
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)

0.01
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
8
8
8
7
6
5
5
4
4
3
3
3
3
3
3
4
5
5
6
8
8
9

Chance of Frost

Temperature (°C)

13
13
13
12
11
8
6
4
3
2
1
1
1
0
-1
-1
0
3
7
10
12
13
15
16

Feels Like (°C)

13
13
13
12
11
6
3
2
1
-0
-0
-1
1
0
-1
-1
0
2
6
9
12
13
15
16

Dew Point (°C)

-1
-1
-2
-2
-1
-2
-2
-2
-2
-1
-1
-1
-1
-1
-2
-2
-2
-1
1
1
1
1
1
1

Relative Humidity (%)

38
37
36
38
44
51
59
66
72
79
85
87
89
89
94
94
89
77
64
53
47
42
38
36

Pressure (mb)

1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030
1030
1030
1029
1029

Ozone (du)

351
353
352
347
350
350
346
338
337
337
342
341
340
339
339
339
339
339
341
343
343
341
343
344

Friday 23

Waxing Gibbous 85%

15:01

05:06

15 Good
16 Good
17 Good
18 Good
19 Good
20 Bad
21 Bad
22 Good
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: 05:36, Set: 20:10, Transit: 12:54. Moon - Rise: 15:01, Set: 05:06. Civil Dark: 20:48 - 04:58. Nautical Dark: 21:36 - 04:09. Astro Dark: 22:35 - 03:09

Total Clouds (% Sky Obscured)

0
0
0
0
0
86
53
2
62
98
100
100
100
100
100
99
100
96
94
91
99
100
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
1
6
37
3

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
86
53
2
62
98
100
100
100
100
100
99
100
96
94
91
99
100
99
98

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
1
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
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
13
12
9
7
5
4
3
3
3
2
2
2
2
3
6
8
10
11
12
13
13

Feels Like (°C)

16
15
15
13
12
7
4
3
2
1
1
0
-0
-1
-1
-1
0
3
5
7
11
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

35
35
37
40
46
54
64
72
78
83
89
92
95
98
100
100
97
86
74
64
57
52
49
49

Pressure (mb)

1029
1028
1028
1028
1029
1029
1029
1030
1030
1029
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029

Ozone (du)

345
346
347
343
342
339
335
334
334
331
323
320
318
318
317
317
318
317
317
316
318
321
318
317

Saturday 24

Waxing Gibbous 93%

16:27

05:23

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
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 Bad
14 Bad

Sun - Rise: 05:34, Set: 20:11, Transit: 12:54. Moon - Rise: 16:27, Set: 05:23. Civil Dark: 20:49 - 04:56. Nautical Dark: 21:39 - 04:06. Astro Dark: 22:38 - 03:05

Total Clouds (% Sky Obscured)

98
99
99
98
85
81
24
31
74
92
95
97
93
95
96
93
87
87
87
87
87
87
100
100

Low Clouds (% Sky Obscured)

5
5
2
5
54
81
24
31
74
92
95
97
93
95
96
93
87
87
87
87
87
87
100
100

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)

98
99
99
98
65
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
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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
10
9
8
6
5
4
4
4
3
3
2
2
3
4
6
7
8
9
10
11
11

Feels Like (°C)

12
12
11
7
6
5
3
2
1
1
1
0
-0
-1
-1
-1
1
2
4
5
6
7
11
11

Dew Point (°C)

2
3
3
2
2
2
3
3
3
3
2
2
3
2
2
2
2
3
3
3
2
2
2
2

Relative Humidity (%)

50
54
58
60
62
69
79
86
90
93
92
96
100
100
100
99
89
80
74
68
63
58
54
51

Pressure (mb)

1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

316
317
317
318
316
316
319
323
326
328
321
318
319
322
325
329
345
349
350
352
355
358
357
356

Sunday 25

Waxing Gibbous 98%

17:55

05:39

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

Sun - Rise: 05:32, Set: 20:13, Transit: 12:53. Moon - Rise: 17:55, Set: 05:39. Civil Dark: 20:51 - 04:53. Nautical Dark: 21:41 - 04:03. Astro Dark: 22:42 - 03:02

Total Clouds (% Sky Obscured)

100
100
100
100
33
33
33
33
33
33
21
21
21
21
21
21
45
45
45
45
45
45
96
96

Low Clouds (% Sky Obscured)

100
100
100
100
33
33
33
33
33
33
21
21
21
21
21
21
45
45
45
45
45
45
6
6

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
95
95

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
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
6
5
3
2
1
0
-0
-1
-2
-2
-2
-2
-2
0
3
5
7
11
11
10
10

Dew Point (°C)

1
1
2
2
2
2
2
2
2
2
2
1
1
1
1
1
3
4
5
5
5
4
4
4

Relative Humidity (%)

50
52
56
60
66
73
81
89
95
100
100
100
100
100
100
100
100
91
80
71
65
64
65
67

Pressure (mb)

1029
1028
1028
1028
1027
1027
1027
1027
1027
1027
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1019

Ozone (du)

354
351
351
353
362
366
368
370
369
366
365
366
366
364
362
363
366
365
363
361
361
361
361
365

Monday 26

Waxing Gibbous 100%

19:25

05:57

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: 05:30, Set: 20:15, Transit: 12:53. Moon - Rise: 19:25, Set: 05:57. Civil Dark: 20:53 - 04:51. Nautical Dark: 21:43 - 04:01. Astro Dark: 22:45 - 02:58

Total Clouds (% Sky Obscured)

96
96
96
96
94
94
94
94
94
94
47
47
47
47
47
47
93
93
93
93
93
93
94
94

Low Clouds (% Sky Obscured)

6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
92
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
47
47
47
47
47
47
84
84
84
84
84
84
42
42

High Clouds (% Sky Obscured)

95
95
95
95
94
94
94
94
94
94
0
0
0
0
0
0
70
70
70
70
70
70
2
2

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0.01
0
0
0
0.02
0.07
0.01
0.01
0.01
0.01
0
0
0
0
0.02
0.03
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
9
9
8
7
6
5
5
6
5
5
5
5
5
6
7
8
9
10
11
11
11

Feels Like (°C)

7
7
7
6
7
5
4
3
3
2
2
2
2
2
2
2
2
3
4
5
6
11
11
11

Dew Point (°C)

5
5
5
5
6
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
5
5

Relative Humidity (%)

70
72
74
76
79
84
90
94
99
100
97
99
100
100
100
99
100
96
88
82
77
71
67
64

Pressure (mb)

1019
1018
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1016
1016
1016
1015
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

370
376
382
386
390
406
427
433
434
436
440
439
433
428
423
419
407
402
398
395
394
395
395
395

Tuesday 27

Full Moon 99%

20:58

06:19

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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: 05:28, Set: 20:16, Transit: 12:53. Moon - Rise: 20:58, Set: 06:19. Civil Dark: 20:55 - 04:49. Nautical Dark: 21:46 - 03:58. Astro Dark: 22:49 - 02:54

Total Clouds (% Sky Obscured)

94
94
94
94
24
24
24
24
24
24
100
100
100
100
100
100
96
96
96
96
96
96
80
80

Low Clouds (% Sky Obscured)

92
92
92
92
20
20
20
20
20
20
99
99
99
99
99
99
91
91
91
91
91
91
79
79

Medium Clouds (% Sky Obscured)

42
42
42
42
12
12
12
12
12
12
100
100
100
100
100
100
84
84
84
84
84
84
15
15

High Clouds (% Sky Obscured)

2
2
2
2
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 (%)

2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1

Precipitation Amount (mm)

0.03
0.03
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
9
9
8
7
6
6
5
5
5
5
5
5
5
5
6
8
8
9
9
10
11

Feels Like (°C)

11
10
7
6
5
5
4
3
2
2
2
2
2
1
1
2
2
3
4
5
6
6
7
11

Dew Point (°C)

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

Relative Humidity (%)

65
69
76
79
85
90
95
100
100
100
100
100
100
100
100
100
100
98
89
80
73
69
64
60

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

394
393
392
389
388
389
391
392
390
387
384
384
385
387
388
390
392
391
390
388
388
388
388
387

Wednesday 28

Waning Gibbous 94%

22:31

06:48

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

Sun - Rise: 05:26, Set: 20:18, Transit: 12:53. Moon - Rise: 22:31, Set: 06:48. Civil Dark: 20:57 - 04:47. Nautical Dark: 21:48 - 03:55. Astro Dark: 22:52 - 02:50

Total Clouds (% Sky Obscured)

80
80
80
80
88
88
88
88
88
88
40
40
40
40
40
40
92
92
92
92
92
92
100
100

Low Clouds (% Sky Obscured)

79
79
79
79
88
88
88
88
88
88
39
39
39
39
39
39
41
41
41
41
41
41
100
100

Medium Clouds (% Sky Obscured)

15
15
15
15
0
0
0
0
0
0
16
16
16
16
16
16
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
88
88
88
88
88
88
91
91

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
8
5
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

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

Precipitation Probability (%)

1
1
0
0
0
0
0
0
0
0
0
7
12
18
20
21
20
14
8
4
7
15
23
29

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0
0
0
0
0
0.02
0.06
0.1
0.11
0.11
0.1
0.07
0.04
0.03
0.04
0.11
0.2
0.24

Wind Speed/Direction (mph)

12
12
13
13
13
12
11
11
11
11
12
12
13
13
13
14
14
15
17
17
18
17
17
17

Chance of Frost

Temperature (°C)

11
11
11
10
9
8
8
7
7
7
7
6
6
6
6
6
6
7
8
9
10
10
10
9

Feels Like (°C)

11
11
11
7
7
6
5
4
4
4
3
3
3
3
2
2
2
3
5
6
10
10
7
6

Dew Point (°C)

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

Relative Humidity (%)

58
61
66
74
78
84
86
90
94
99
100
100
100
100
100
100
100
100
94
85
79
77
78
81

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

386
385
384
383
382
382
381
381
384
387
390
391
392
393
394
395
395
396
396
396
395
394
393
392

Forecast for Dereham, Norfolk, UK (52.66,0.96)

Generated: 22/04/21 15:50:44. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00