Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 27%

15:20

21:04

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

Sun - Rise: 05:31, Set: 21:47, Transit: 13:37. Moon - Rise: 15:20, Set: 21:04. Civil Dark: 22:53 - 04:26. Nautical Dark: N/A - 02:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
100
99
100
100
89
80
65
51
45
50
37
31
26
7
8
23
23
23
16
11
16
18
0

Low Clouds (% Sky Obscured)

49
76
75
69
50
55
37
29
41
44
36
34
31
26
7
8
23
23
23
16
10
15
18
0

Medium Clouds (% Sky Obscured)

33
38
34
41
28
12
16
13
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
93
99
100
99
61
52
40
24
9
37
17
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
8
4
5
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
7
4
3
3
4
5
5
4
3
3
3
4
4
4
4
4
4
4
5
4
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
71
72
72
76
79
81
81
83
85
82
81
80
77
74
72
68
66
63
60
59
61

Pressure (mb)

1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

326
325
325
324
325
324
325
326
327
328
329
330
331
332
334
336
337
338
339
339
339
338
338
338

Tuesday 18

Waxing Crescent 37%

No Rise

20:47

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

Sun - Rise: 05:34, Set: 21:43, Transit: 13:37. Moon - Rise: No Rise, Set: 20:47. Civil Dark: 22:48 - 04:31. Nautical Dark: 01:05 - 02:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
58
55
48
48
56
54
65
60
50
45
45
50
55
59
55
60
64
60
53
55
57
56
53

Low Clouds (% Sky Obscured)

34
58
55
48
48
56
54
65
60
50
45
45
50
55
59
55
60
64
60
53
55
57
56
53

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
2
31
37

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
2
2
2
2
2
30
28
30
29
29
27
28
20
3
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
6
7
7
7
7
6
5
4
4
5
6
5
6
7
7
7
8
8
8
7
6
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
8
8
8

Relative Humidity (%)

65
68
68
72
78
82
81
82
82
84
84
85
85
85
85
85
84
81
78
77
76
76
77
79

Pressure (mb)

1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

338
339
339
339
339
340
340
340
340
339
339
340
340
340
341
339
339
337
336
334
333
333
333
334

Wednesday 19

Waxing Crescent 47%

17:31

20:15

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
15 Bad
16 Bad

Sun - Rise: 05:38, Set: 21:39, Transit: 13:37. Moon - Rise: 17:31, Set: 20:15. Civil Dark: 22:43 - 04:35. Nautical Dark: 00:47 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
66
66
72
67
67
67
73
69
82
92
92
92
89
93
93
80
84
100
97
95
92
84
76

Low Clouds (% Sky Obscured)

51
58
63
62
61
67
67
70
61
64
70
61
58
60
65
58
48
45
51
58
72
92
76
52

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)

29
56
56
57
57
55
47
6
8
16
21
29
38
22
25
35
40
56
100
77
53
30
25
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
3
4
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
1
1
2
10
1
1
0
0
2
4
13
9
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
10
10
10
10
10
10
10
9
8
9
8
8
10
9
10
11
11
11
11
11
11

Dew Point (°C)

8
8
8
8
9
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
10
10

Relative Humidity (%)

80
80
80
83
87
87
87
87
87
88
87
88
88
88
88
88
86
83
83
80
79
80
83
84

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

334
334
334
334
334
335
334
333
332
331
331
331
330
330
330
330
330
330
330
331
330
331
331
331

Thursday 20

First Quarter 57%

No Rise

No Set

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
15 Bad
16 Bad

Sun - Rise: 05:41, Set: 21:36, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:39 - 04:39. Nautical Dark: 00:34 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
66
64
65
75
88
100
100
100
100
97
95
92
95
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
66
64
62
74
87
100
100
100
100
97
95
92
95
98
100
100
100
100
100
100
92
97
90

Medium Clouds (% Sky Obscured)

0
0
0
0
12
23
32
43
51
54
33
17
0
15
30
46
50
55
60
60
65
65
65
70

High Clouds (% Sky Obscured)

30
31
34
29
27
40
62
61
72
68
56
44
35
43
48
57
65
84
92
98
93
100
96
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
5
4
4
4
4
4
4
4
4
4
5
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 (%)

9
17
19
19
22
23
19
21
24
23
28
28
26
29
31
26
29
29
24
29
22
25
25
19

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
7
7
8
8
8
7
7
8
8
7
7
7
7
7
7
7
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

11
11
10
9
9
9
9
9
9
9
9
9
9
9
10
9
10
10
10
10
10
10
10
10

Dew Point (°C)

9
9
9
10
10
10
10
9
10
10
10
10
10
11
11
10
11
11
11
11
10
11
11
11

Relative Humidity (%)

79
79
83
86
90
90
91
90
90
91
90
92
92
93
92
90
90
90
90
90
89
89
90
89

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

332
333
332
332
331
332
332
333
334
337
340
339
338
336
337
335
333
333
333
334
336
334
333
332

Friday 21

Waxing Gibbous 67%

No Rise

No Set

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
15 Bad
16 Bad

Sun - Rise: 05:44, Set: 21:32, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:34 - 04:43. Nautical Dark: 00:23 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
91
92
92
93
95
97

Low Clouds (% Sky Obscured)

95
100
100
99
95
90
85
90
95
100
100
100
100
90
86
85
79
73
62
68
73
77
69
59

Medium Clouds (% Sky Obscured)

75
75
83
79
79
66
64
78
98
82
100
100
100
83
68
50
47
44
41
45
44
44
57
69

High Clouds (% Sky Obscured)

89
93
96
100
100
100
100
89
79
60
74
81
89
91
87
81
80
78
74
73
74
74
82
91

ISS Passover

Visibility (miles)

9
9
4
5
4
3
3
3
3
3
2
2
2
2
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

19
20
26
25
57
80
95
91
84
80
87
84
80
70
78
82
72
63
53
51
52
48
43
41

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.5
0.5
0.4
0.5
0.4
0.4
0.2
0.4
0.4
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
11
11
11
11
11
10
10
10
10
9
9
9
9
10
10
11
11
11
11
11
8

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

10
10
9
9
8
8
9
8
9
9
9
9
9
9
9
10
10
9
9
8
8
8
7
8

Dew Point (°C)

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

Relative Humidity (%)

87
86
89
90
90
92
93
92
93
93
95
96
96
96
95
93
91
87
81
78
77
76
75
75

Pressure (mb)

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

Ozone (du)

332
331
331
330
330
330
330
330
329
329
330
331
331
330
329
327
326
323
321
319
318
317
316
317

Saturday 22

Waxing Gibbous 75%

No Rise

No Set

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
15 Bad
16 Bad

Sun - Rise: 05:47, Set: 21:28, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:30 - 04:47. Nautical Dark: 00:14 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
45
47
50
54
61
59
65
69
71
75
81
88
90
92
93
93
93
93
92
91
90
93
95

Medium Clouds (% Sky Obscured)

82
86
91
97
97
98
99
97
94
91
92
93
94
87
81
75
64
52
41
37
34
31
33
44

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
79
58
41
48
58
65
65
65
69
76
83
88
90
92

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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
39
50
43
61
89
95
95
95
95
95
95
95
92
95
95
95
95
94
95
91
75
75
73

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.3
0.6
1
0.6
0.8
1.3
1.2
0.4
0.8
1.2
1.2
1
0.5
0.6
0.7
0.3
0.5
0.5

Wind Speed/Direction (mph)

7
7
8
10
12
12
12
12
13
15
16
17
19
20
20
19
18
18
17
17
16
16
15
15

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

8
8
8
9
9
9
9
10
8
8
8
8
8
9
6
6
6
6
6
6
6
6
6
6

Dew Point (°C)

7
7
7
8
8
8
8
9
8
8
8
8
8
9
9
9
9
9
9
10
9
9
9
9

Relative Humidity (%)

75
75
77
80
81
80
81
83
83
83
83
83
85
87
87
87
88
87
88
90
88
90
88
88

Pressure (mb)

1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

317
318
317
317
317
317
317
316
318
319
321
320
320
320
321
322
324
323
323
322
324
325
327
328

Sunday 23

Waxing Gibbous 83%

No Rise

No Set

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

Sun - Rise: 05:50, Set: 21:25, Transit: 13:36. Moon - Rise: No Rise, Set: No Set. Civil Dark: 22:25 - 04:51. Nautical Dark: 00:05 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
97
97
98
99
99
100
97
95
92
90
88
86
88
89
91
93
97
100

Medium Clouds (% Sky Obscured)

51
62
68
74
83
87
91
88
81
75
81
84
90
83
75
66
72
84
96

High Clouds (% Sky Obscured)

93
85
78
67
65
57
52
68
86
100
100
100
100
80
62
48
54
60
69

ISS Passover

Visibility (miles)

9
9
8
7
5
5
4
3
5
7
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

Precipitation Type

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

Precipitation Probability (%)

62
76
85
86
88
90
89
82
77
72
69
67
68
70
73
71
66
60
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
15
15
14
13
13
14
14
14
14
15
15
17
15
15
14
13
11

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

9
9
9
10
10
10
10
11
11
10
10
10
10
10
10
10
9
9
9

Relative Humidity (%)

88
87
88
90
91
91
93
95
92
90
89
89
87
87
86
84
83
80
79

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006

Ozone (du)

329
330
332
334
335
335
335
334
334
334
335
336
337
338
337
337
336
337
337

Forecast for Búðir, Snæfellsbær, Republic of Iceland (64.95,-23.49)

Generated: 17/08/26 17:39:16. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+0.00