Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 6

Waning Crescent 16%

02:10

17:29

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

Sun - Rise: 06:48, Set: 19:44, Transit: 13:15. Moon - Rise: 02:10, Set: 17:29. Civil Dark: 20:14 - 06:18. Nautical Dark: 20:50 - 05:43. Astro Dark: 21:27 - 05:05

Total Clouds (% Sky Obscured)

55
46
40
41
33
16
22
29
32
15
4
3
6
0
2
4
14
25
13
2
68
0
28
34

Low Clouds (% Sky Obscured)

23
18
17
14
9
10
15
15
17
10
4
3
6
0
0
0
0
3
0
0
0
0
0
11

Medium Clouds (% Sky Obscured)

15
25
27
35
33
10
21
29
32
15
0
2
0
0
2
4
12
21
10
0
0
0
21
21

High Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
67
0
3
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
3
76
78
1
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
5
3
5
5
4
4
4
4
4
4
3
3
3
2
2
2
2
1
1
2
3
4

Chance of Frost

Temperature (°C)

22
23
23
23
23
21
19
18
17
17
16
15
15
15
14
14
14
13
15
18
19
21
22
23

Feels Like (°C)

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

Dew Point (°C)

6
6
6
8
11
14
15
15
14
13
12
12
11
11
11
11
11
11
10
10
9
8
8
8

Relative Humidity (%)

36
33
34
36
47
64
77
83
78
76
77
78
78
79
82
83
83
83
74
60
51
43
39
38

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1024
1024
1024
1023
1023
1023

Ozone (du)

299
300
302
304
305
303
305
305
302
302
303
302
304
303
302
303
302
302
301
300
299
301
301
302

Monday 7

Waning Crescent 8%

03:31

18:07

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

Sun - Rise: 06:49, Set: 19:43, Transit: 13:15. Moon - Rise: 03:31, Set: 18:07. Civil Dark: 20:12 - 06:19. Nautical Dark: 20:48 - 05:44. Astro Dark: 21:25 - 05:07

Total Clouds (% Sky Obscured)

64
61
66
41
26
10
11
9
17
47
41
37
73
91
96
98
100
98
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
24
39
24
8
3
1
3
1
2
0
0
2
9
21
22
26
23
16
0
1
4
11
8

Medium Clouds (% Sky Obscured)

39
31
20
16
5
1
3
1
0
13
8
18
40
31
85
87
88
93
71
86
94
74
98
100

High Clouds (% Sky Obscured)

2
6
9
5
2
2
5
6
17
47
41
30
51
67
64
67
96
82
39
100
100
100
100
100

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
3
12
21
14
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
1
2
3
8

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)

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

Chance of Frost

Temperature (°C)

24
24
24
24
23
21
18
17
17
17
16
16
16
16
16
16
16
16
16
18
20
21
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
36
38
44
53
63
75
79
81
83
86
87
90
92
93
93
92
87
81
70
61
57
49
47

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023

Ozone (du)

302
301
302
305
305
305
302
302
304
303
302
301
301
300
299
298
298
298
299
298
296
295
294
295

Tuesday 8

Waning Crescent 3%

04:51

18:36

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: 06:50, Set: 19:41, Transit: 13:15. Moon - Rise: 04:51, Set: 18:36. Civil Dark: 20:10 - 06:21. Nautical Dark: 20:46 - 05:45. Astro Dark: 21:23 - 05:08

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
0
0
0
0
3
4
0
0
60
27
67
88
87
73
66
64
63
68
71
76
85
90
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
97
100
76
100
92
50
45
44
38
32
23
16
43

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

29
31
40
38
49
25
23
15
8
9
14
21
75
91
79
45
43
80
55
60
63
72
72
70

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0.2
0.4
0.3
0
0
0.7
0.2
0
0
0.3
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
21
21
20
19
19
18
18
18
17
17
17
17
17
17
17
18
18
19
20
21
22
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
50
55
62
67
69
69
70
66
66
68
71
73
74
85
89
93
96
90
89
76
73
63
65

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1019
1019
1019
1018
1017
1017
1015
1014
1014
1013
1012
1012
1011
1010

Ozone (du)

294
294
294
293
292
291
289
286
285
282
283
281
280
281
283
284
284
285
286
286
287
286
286
283

Wednesday 9

Waning Crescent 0%

06:09

18:59

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

Sun - Rise: 06:51, Set: 19:39, Transit: 13:14. Moon - Rise: 06:09, Set: 18:59. Civil Dark: 20:08 - 06:22. Nautical Dark: 20:44 - 05:47. Astro Dark: 21:21 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
59
20
23
26
54
83
88
86
85
81
79
74
89
94

Low Clouds (% Sky Obscured)

93
86
81
84
89
93
71
39
49
32
29
20
23
26
35
42
46
56
48
41
32
43
56
69

Medium Clouds (% Sky Obscured)

82
74
75
83
91
99
99
47
19
16
11
1
1
1
0
0
0
0
7
13
17
20
24
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
88
43
2
4
7
35
71
75
65
55
40
30
15
15
10

ISS Passover

Visibility (miles)

9
9
9
3
0
0
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

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

Precipitation Probability (%)

61
55
89
95
56
63
61
21
14
23
13
6
11
12
12
11
9
5
3
2
0
0
0
0

Precipitation Amount (mm)

0.3
0
0.5
0.7
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
18
19
21
21
21
21
20
19
19
18
17
16
16
16
16
16
16
17
16
15
9
7
8

Relative Humidity (%)

70
74
83
95
98
100
98
98
98
96
95
96
96
96
96
96
96
98
96
90
77
47
42
43

Pressure (mb)

1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

283
282
283
285
286
286
285
286
291
292
297
299
298
295
295
295
295
296
296
296
299
300
300
300

Thursday 10

New Moon 1%

07:24

19:20

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

Sun - Rise: 06:53, Set: 19:37, Transit: 13:14. Moon - Rise: 07:24, Set: 19:20. Civil Dark: 20:07 - 06:23. Nautical Dark: 20:42 - 05:48. Astro Dark: 21:18 - 05:11

Total Clouds (% Sky Obscured)

85
76
66
69
70
75
75
76
79
80
60
16
33
33
34
34
27
27
28
29
27
27
27
27

Low Clouds (% Sky Obscured)

62
49
36
32
30
30
31
26
25
61
60
9
28
33
34
34
27
27
28
29
27
27
27
27

Medium Clouds (% Sky Obscured)

19
8
11
64
70
75
45
20
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

10
10
10
10
10
15
25
35
45
45
0
0
1
2
3
3
4
4
3
1
0
0
0
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
1
1
2
3
0
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
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
13
13
11
9
7
6
4
4
4
4
4
3
3
3
3
2
2
2
2
2
3
4
5

Chance of Frost

Temperature (°C)

20
19
19
19
17
16
15
14
14
13
13
12
11
10
10
9
10
10
11
13
15
17
18
19

Feels Like (°C)

16
16
16
16
16
14
13
13
13
12
11
11
11
11
10
11
10
10
9
12
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

47
54
58
61
65
66
67
73
75
78
72
79
90
91
95
95
91
88
84
72
63
55
50
46

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1013
1012

Ozone (du)

301
302
302
301
300
299
299
299
299
303
307
314
321
315
309
303
300
297
294
294
293
292
292
292

Friday 11

Waxing Crescent 0%

08:36

19:39

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

Sun - Rise: 06:54, Set: 19:35, Transit: 13:13. Moon - Rise: 08:36, Set: 19:39. Civil Dark: 20:05 - 06:24. Nautical Dark: 20:40 - 05:49. Astro Dark: 21:16 - 05:13

Total Clouds (% Sky Obscured)

25
19
11
10
8
8
35
59
80
67
57
47
62
77
91
93
97
100
98
95
93
90
85
84

Low Clouds (% Sky Obscured)

25
17
9
6
3
0
0
0
0
0
0
0
6
11
17
25
35
43
49
60
71
56
41
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
12
15
10
12
8
5
3
0
6
13
29

High Clouds (% Sky Obscured)

1
1
2
3
7
8
35
52
69
61
53
47
45
35
25
50
75
100
85
67
50
45
45
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
1
3
12
16
20
26
24
13
11
10
5

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

Chance of Frost

Temperature (°C)

19
20
19
19
18
16
15
14
14
14
13
13
13
13
13
13
13
14
14
16
18
21
22
23

Feels Like (°C)

15
21
20
19
20
20
21
13
15
15
15
15
14
13
12
12
12
12
11
13
14
14
14
16

Dew Point (°C)

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

Relative Humidity (%)

41
40
38
36
45
55
67
70
74
76
82
87
93
93
93
93
90
84
79
71
61
53
49
45

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008

Ozone (du)

292
293
293
293
293
292
292
292
292
292
292
291
291
291
292
292
292
292
292
292
292
292
291
291

Saturday 12

Waxing Crescent 3%

09:48

19:58

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

Sun - Rise: 06:55, Set: 19:33, Transit: 13:13. Moon - Rise: 09:48, Set: 19:58. Civil Dark: 20:03 - 06:26. Nautical Dark: 20:38 - 05:51. Astro Dark: 21:14 - 05:14

Total Clouds (% Sky Obscured)

83
81
81
86
91
96
91
85
80
81
81
76
78
74
72
75
79
83

Low Clouds (% Sky Obscured)

26
25
21
17
20
21
23
25
23
22
18
18
14
14
13
12
12
11

Medium Clouds (% Sky Obscured)

34
40
39
40
42
43
36
34
35
33
32
30
26
23
19
15
12
8

High Clouds (% Sky Obscured)

46
38
23
49
71
91
72
54
43
49
55
57
56
55
54
59
67
70

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

10
11
9
19
23
23
33
38
42
59
67
64
62
59
54
57
48
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
24
23
22
23
24
24
19
19
19
19
18
18
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

42
41
41
40
48
56
66
71
78
85
87
90
93
93
96
96
93
92

Pressure (mb)

1008
1008
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

290
290
291
291
291
291
291
290
290
289
289
289
289
289
290
290
290
289

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 06/09/26 14:09:21. Forecast: 06/09/26 to 12/09/26. Timezone: UTC-4.00