Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 98%

22:35

07:17

01 Good
02 OK
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
00 Bad

Sun - Rise: 05:44, Set: 21:03, Transit: 13:23. Moon - Rise: 22:35, Set: 07:17. Civil Dark: 21:39 - 05:08. Nautical Dark: 22:26 - 04:21. Astro Dark: 23:24 - 03:22

Total Clouds (% Sky Obscured)

18
37
94
77
95
70
72
79
87
88
90
78
72
73
94
100
100
67
38
54
68
93
100
100

Low Clouds (% Sky Obscured)

18
13
30
47
59
64
64
55
82
83
73
54
60
59
61
70
51
57
38
52
32
35
37
75

Medium Clouds (% Sky Obscured)

18
37
53
36
44
20
22
39
59
77
56
8
1
3
1
3
49
17
33
41
12
7
33
73

High Clouds (% Sky Obscured)

18
37
40
34
65
14
15
38
6
37
17
15
14
16
17
45
40
19
5
17
68
93
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
3
5

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
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
3
7
12
3
2
9
36
34
45
35
34
30
37
69
84
50
47
41
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0.9
1
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
19
20
21
22
24
25
26
27
28
30
31
31
30
29
28
27
26
26
23
23

Feels Like (°C)

20
18
18
19
21
21
23
25
25
27
27
27
30
31
32
31
31
29
29
29
28
27
25
24

Dew Point (°C)

15
14
14
16
18
18
18
18
18
18
17
16
16
15
16
17
20
18
17
18
19
19
23
22

Relative Humidity (%)

78
77
77
83
91
91
86
75
69
64
57
50
45
42
40
44
56
50
51
58
63
65
95
97

Pressure (mb)

1015
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

304
302
302
302
301
301
302
303
302
301
300
297
297
298
300
299
297
299
301
301
300
299
297
298

Sunday 13

Waning Gibbous 93%

22:57

08:32

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

Sun - Rise: 05:45, Set: 21:02, Transit: 13:23. Moon - Rise: 22:57, Set: 08:32. Civil Dark: 21:38 - 05:09. Nautical Dark: 22:25 - 04:22. Astro Dark: 23:23 - 03:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
76
64
62
80
81
64
57
41
50
100
77
100
100
75
19
53
40
100
100

Low Clouds (% Sky Obscured)

77
59
83
80
85
76
61
62
71
81
64
57
41
45
36
29
29
23
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

34
51
30
27
29
31
29
0
24
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
29
4
0
1
0
0
9
3
15
100
72
100
100
68
19
53
40
100
100

ISS Passover

Visibility (miles)

3
7
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
69
86
50
62
70
59
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Ice pellet
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
59
48
62
36
16
9
18
28
24
11
3
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.8
0.8
0
0
0.3
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
5
5
6
7
8
9
9
10
10
11
10
10
9
8
5
4
3
2
2

Chance of Frost

Temperature (°C)

23
22
22
22
21
21
21
22
23
23
24
24
25
25
25
25
25
24
23
22
20
20
19
19

Feels Like (°C)

25
24
24
24
23
23
25
25
25
25
25
26
26
25
25
23
24
22
23
23
22
20
21
20

Dew Point (°C)

22
22
21
21
21
21
21
21
21
19
18
17
16
13
11
12
12
12
14
17
18
18
18
18

Relative Humidity (%)

98
100
98
96
98
98
98
95
88
77
70
64
56
46
40
42
44
47
57
71
84
91
93
95

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

298
299
300
302
303
304
305
308
310
312
313
314
315
315
312
310
312
313
313
316
314
316
315
315

Monday 14

Waning Gibbous 87%

23:17

09:47

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

Sun - Rise: 05:46, Set: 21:02, Transit: 13:24. Moon - Rise: 23:17, Set: 09:47. Civil Dark: 21:37 - 05:10. Nautical Dark: 22:24 - 04:23. Astro Dark: 23:21 - 03:26

Total Clouds (% Sky Obscured)

75
70
70
70
2
3
0
0
9
23
14
2
0
0
0
0
0
0
0
21
43
65
68
63

Low Clouds (% Sky Obscured)

0
0
0
0
2
3
0
0
9
23
14
2
0
0
0
0
0
0
0
0
1
2
30
45

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
1
2

High Clouds (% Sky Obscured)

75
65
70
70
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
39
44
33
23

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)

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

Chance of Frost

Temperature (°C)

19
19
19
19
18
18
19
21
22
23
25
26
27
27
28
28
27
27
26
25
24
23
22
22

Feels Like (°C)

20
20
20
19
19
21
24
25
25
26
26
27
27
27
27
28
27
27
28
28
26
26
26
24

Dew Point (°C)

18
18
18
18
18
18
18
16
15
15
15
16
15
12
12
13
13
15
16
19
19
20
19
19

Relative Humidity (%)

95
95
95
95
95
95
89
74
64
58
55
54
47
39
37
40
42
46
54
69
75
80
84
83

Pressure (mb)

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

Ozone (du)

317
317
321
331
339
331
326
322
321
320
319
318
316
317
317
316
314
313
313
311
311
310
309
309

Tuesday 15

Waning Gibbous 78%

23:36

11:02

01 Good
02 OK
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
00 Bad

Sun - Rise: 05:47, Set: 21:01, Transit: 13:24. Moon - Rise: 23:36, Set: 11:02. Civil Dark: 21:36 - 05:11. Nautical Dark: 22:23 - 04:25. Astro Dark: 23:20 - 03:28

Total Clouds (% Sky Obscured)

6
24
44
73
70
66
68
68
69
75
76
77
80
79
76
78
77
75
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
6
4
3
0
0
0
0
11
20
31
33
33
31
30
31
31
37
40
42
46
43

Medium Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
20
40
65
62
65
62
54
72

High Clouds (% Sky Obscured)

3
24
44
73
70
66
68
68
69
75
76
76
75
74
76
72
72
70
97
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
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
3
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)

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

Chance of Frost

Temperature (°C)

22
21
21
20
20
20
20
21
23
25
26
27
28
29
29
29
29
28
27
25
24
24
23
23

Feels Like (°C)

23
25
24
23
22
22
23
23
25
28
30
31
31
31
30
29
29
29
28
26
25
24
24
23

Dew Point (°C)

19
21
20
20
20
19
19
18
17
17
17
15
14
13
12
11
11
11
15
18
18
18
17
17

Relative Humidity (%)

85
96
98
98
98
96
95
84
70
64
55
46
41
37
35
33
31
33
46
64
67
68
67
67

Pressure (mb)

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

Ozone (du)

309
309
309
309
311
312
315
315
315
314
312
313
312
312
314
311
311
310
309
309
309
310
310
309

Wednesday 16

Waning Gibbous 68%

23:55

12:17

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 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 05:47, Set: 21:00, Transit: 13:24. Moon - Rise: 23:55, Set: 12:17. Civil Dark: 21:35 - 05:12. Nautical Dark: 22:22 - 04:26. Astro Dark: 23:18 - 03:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
93
65
79
78
81
57
44
32
32
34
39
39
37
38
49
61

Low Clouds (% Sky Obscured)

43
55
59
61
58
58
58
60
57
54
55
50
42
42
32
24
19
12
5
13
21
29
39
49

Medium Clouds (% Sky Obscured)

67
68
71
74
78
82
68
75
40
36
36
30
34
26
15
4
3
2
1
3
4
6
4
2

High Clouds (% Sky Obscured)

100
100
100
100
92
86
85
91
93
65
79
78
81
10
5
1
1
0
0
2
1
1
6
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
3
8
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
15
20
23
46
31
31
43
60
59
46
41
29
17
14
8
7
5
1
1
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
4
3
3
3
4
4
5
5
5
6
7
7
8
8
7
7
7
6
5
6
5

Chance of Frost

Temperature (°C)

23
23
22
22
21
21
21
21
22
23
24
25
26
26
26
27
28
27
26
25
24
23
22
22

Feels Like (°C)

23
23
22
22
22
22
23
24
25
26
28
28
28
27
28
29
30
31
31
32
25
26
27
26

Dew Point (°C)

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

Relative Humidity (%)

64
63
64
66
73
89
92
89
87
91
85
74
54
48
48
48
48
55
63
71
75
78
83
81

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

309
309
309
312
316
315
310
307
306
306
306
305
304
305
305
305
306
306
305
305
305
305
304
304

Thursday 17

Third Quarter 57%

00:16

13:33

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 OK
23 OK
00 OK

Sun - Rise: 05:48, Set: 20:59, Transit: 13:24. Moon - Rise: 00:16, Set: 13:33. Civil Dark: 21:35 - 05:13. Nautical Dark: 22:20 - 04:27. Astro Dark: 23:16 - 03:31

Total Clouds (% Sky Obscured)

72
77
83
87
87
91
95
97
98
96
96
97
97
93
89
85
75
65
55
53
49
46
32
22

Low Clouds (% Sky Obscured)

59
65
66
68
60
54
48
48
43
42
41
40
40
45
50
56
53
49
44
44
45
45
32
22

Medium Clouds (% Sky Obscured)

0
5
10
16
15
17
17
40
61
85
67
50
33
25
17
9
9
12
12
10
7
5
4
3

High Clouds (% Sky Obscured)

55
60
65
65
68
75
88
87
85
79
80
88
95
91
85
75
49
27
17
14
11
3
10
3

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

Precipitation Probability (%)

0
1
2
2
39
55
65
95
95
95
95
95
95
44
30
1
5
3
0
0
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
1
1.5
1.7
1.8
2.2
15.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
21
21
21
21
21
20
22
20
19
18
17
17
22
21
21
22
23
23
20
20
21
21

Dew Point (°C)

18
18
18
19
19
19
18
18
17
15
14
12
10
9
8
8
8
9
11
13
12
12
11
11

Relative Humidity (%)

81
79
82
85
88
83
78
74
66
59
54
49
45
42
41
41
41
47
55
65
63
62
61
62

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1016
1016

Ozone (du)

304
304
305
306
307
307
306
306
306
306
306
306
305
305
304
304
304
303
302
302
301
301
300
300

Friday 18

Waning Crescent 45%

00:41

14:53

Sun - Rise: 05:49, Set: 20:58, Transit: 13:24. Moon - Rise: 00:41, Set: 14:53. Civil Dark: 21:34 - 05:14. Nautical Dark: 22:19 - 04:29. Astro Dark: 23:15 - 03:33

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 12/07/25 01:48:16. Forecast: 12/07/25 to 18/07/25. Timezone: UTC-4.00